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chromium / external / github.com / git / git / refs/tags/v2.7.1 / . / configure.ac
blob: 89e2590bd6926a52d8f57e0dfc164360809c90d2 [file] [log] [blame]
Jakub Narebski55667712006-07-02 23:56:48[diff] [blame]1# -*- Autoconf -*-
2# Process this file with autoconf to produce a configure script.
3
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]4## Definitions of private macros.
5
Stefano Lattarini610473a2012-07-19 07:49:57[diff] [blame]6# GIT_CONF_SUBST(VAL, VAR)
7# ------------------------
Stefano Lattariniac5fc1c2012-07-19 07:50:00[diff] [blame]8# Cause the line "VAR=VAL" to be eventually appended to ${config_file}.
9AC_DEFUN([GIT_CONF_SUBST],
Stefano Lattarini3a34c2b2012-09-11 15:45:29[diff] [blame]10[AC_REQUIRE([GIT_CONF_SUBST_INIT])
11config_appended_defs="$config_appended_defs${newline}dnl
12$1=m4_if([$#],[1],[${$1}],[$2])"])
Stefano Lattariniac5fc1c2012-07-19 07:50:00[diff] [blame]13
14# GIT_CONF_SUBST_INIT
15# -------------------
16# Prepare shell variables and autoconf machine required by later calls
17# to GIT_CONF_SUBST.
18AC_DEFUN([GIT_CONF_SUBST_INIT],
19 [config_appended_defs=; newline='
20'
21 AC_CONFIG_COMMANDS([$config_file],
22 [echo "$config_appended_defs" >> "$config_file"],
23 [config_file=$config_file
24 config_appended_defs="$config_appended_defs"])])
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]25
Jakub Narebski657b0622006-08-02 22:38:11[diff] [blame]26# GIT_ARG_SET_PATH(PROGRAM)
27# -------------------------
28# Provide --with-PROGRAM=PATH option to set PATH to PROGRAM
Ben Waltonf22cd7f2010-02-01 02:15:04[diff] [blame]29# Optional second argument allows setting NO_PROGRAM=YesPlease if
30# --without-PROGRAM version used.
Jakub Narebski657b0622006-08-02 22:38:11[diff] [blame]31AC_DEFUN([GIT_ARG_SET_PATH],
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]32 [AC_ARG_WITH([$1],
33 [AS_HELP_STRING([--with-$1=PATH],
34 [provide PATH to $1])],
35 [GIT_CONF_APPEND_PATH([$1], [$2])],
36 [])])
37
Jakub Narebski657b0622006-08-02 22:38:11[diff] [blame]38# GIT_CONF_APPEND_PATH(PROGRAM)
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]39# -----------------------------
Jakub Narebski657b0622006-08-02 22:38:11[diff] [blame]40# Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH
41# Used by GIT_ARG_SET_PATH(PROGRAM)
Ben Waltonf22cd7f2010-02-01 02:15:04[diff] [blame]42# Optional second argument allows setting NO_PROGRAM=YesPlease if
43# --without-PROGRAM is used.
Jakub Narebski657b0622006-08-02 22:38:11[diff] [blame]44AC_DEFUN([GIT_CONF_APPEND_PATH],
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]45 [m4_pushdef([GIT_UC_PROGRAM], m4_toupper([$1]))dnl
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]46 if test "$withval" = "no"; then
47 if test -n "$2"; then
48 GIT_UC_PROGRAM[]_PATH=$withval
Stefano Lattarini7f8cf482012-07-19 07:49:58[diff] [blame]49 AC_MSG_NOTICE([Disabling use of GIT_UC_PROGRAM])
50 GIT_CONF_SUBST([NO_]GIT_UC_PROGRAM, [YesPlease])
51 GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, [])
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]52 else
53 AC_MSG_ERROR([You cannot use git without $1])
54 fi
55 else
56 if test "$withval" = "yes"; then
57 AC_MSG_WARN([You should provide path for --with-$1=PATH])
58 else
59 GIT_UC_PROGRAM[]_PATH=$withval
60 AC_MSG_NOTICE([Setting GIT_UC_PROGRAM[]_PATH to $withval])
Stefano Lattarini7f8cf482012-07-19 07:49:58[diff] [blame]61 GIT_CONF_SUBST(GIT_UC_PROGRAM[]_PATH, [$withval])
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]62 fi
63 fi
64 m4_popdef([GIT_UC_PROGRAM])])
65
Jakub Narebskia20b4d82006-08-09 00:15:10[diff] [blame]66# GIT_PARSE_WITH(PACKAGE)
67# -----------------------
68# For use in AC_ARG_WITH action-if-found, for packages default ON.
69# * Set NO_PACKAGE=YesPlease for --without-PACKAGE
70# * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH
71# * Unset NO_PACKAGE for --with-PACKAGE without ARG
72AC_DEFUN([GIT_PARSE_WITH],
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]73 [m4_pushdef([GIT_UC_PACKAGE], m4_toupper([$1]))dnl
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]74 if test "$withval" = "no"; then
75 NO_[]GIT_UC_PACKAGE=YesPlease
76 elif test "$withval" = "yes"; then
77 NO_[]GIT_UC_PACKAGE=
78 else
79 NO_[]GIT_UC_PACKAGE=
80 GIT_UC_PACKAGE[]DIR=$withval
81 AC_MSG_NOTICE([Setting GIT_UC_PACKAGE[]DIR to $withval])
Stefano Lattarini7f8cf482012-07-19 07:49:58[diff] [blame]82 GIT_CONF_SUBST(GIT_UC_PACKAGE[DIR], [$withval])
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]83 fi
84 m4_popdef([GIT_UC_PACKAGE])])
85
Ben Waltond79d9e132009-11-04 18:05:59[diff] [blame]86# GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT)
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]87# -----------------------------------------------------
Ben Waltond79d9e132009-11-04 18:05:59[diff] [blame]88# Set VAR to the value specied by --with-WITHNAME.
89# No verification of arguments is performed, but warnings are issued
90# if either 'yes' or 'no' is specified.
91# HELP_TEXT is presented when --help is called.
92# This is a direct way to allow setting variables in the Makefile.
93AC_DEFUN([GIT_PARSE_WITH_SET_MAKE_VAR],
94[AC_ARG_WITH([$1],
95 [AS_HELP_STRING([--with-$1=VALUE], $3)],
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]96 if test -n "$withval"; then
97 if test "$withval" = "yes" -o "$withval" = "no"; then
Ben Waltond79d9e132009-11-04 18:05:59[diff] [blame]98 AC_MSG_WARN([You likely do not want either 'yes' or 'no' as]
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]99 [a value for $1 ($2). Maybe you do...?])
100 fi
101 AC_MSG_NOTICE([Setting $2 to $withval])
Stefano Lattarini610473a2012-07-19 07:49:57[diff] [blame]102 GIT_CONF_SUBST([$2], [$withval])
Ben Waltond79d9e132009-11-04 18:05:59[diff] [blame]103 fi)])# GIT_PARSE_WITH_SET_MAKE_VAR
Jakub Narebskid3a6db92006-07-08 21:07:09[diff] [blame]104
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]105#
106# GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE)
107# -----------------------------------------
108# Similar to AC_CHECK_FUNC, but on systems that do not generate
109# warnings for missing prototypes (e.g. FreeBSD when compiling without
110# -Wall), it does not work. By looking for function definition in
111# libraries, this problem can be worked around.
David M. Syzdek1689c5d2008-10-26 11:52:19[diff] [blame]112AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[
113 AC_SEARCH_LIBS([$1],,
114 [$2],[$3])
115],[$3])])
Ben Walton918c8122009-03-12 19:20:08[diff] [blame]116
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]117#
118# GIT_STASH_FLAGS(BASEPATH_VAR)
119# -----------------------------
120# Allow for easy stashing of LDFLAGS and CPPFLAGS before running
121# tests that may want to take user settings into account.
Ben Walton918c8122009-03-12 19:20:08[diff] [blame]122AC_DEFUN([GIT_STASH_FLAGS],[
123if test -n "$1"; then
124 old_CPPFLAGS="$CPPFLAGS"
125 old_LDFLAGS="$LDFLAGS"
126 CPPFLAGS="-I$1/include $CPPFLAGS"
127 LDFLAGS="-L$1/$lib $LDFLAGS"
128fi
129])
130
131dnl
132dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR)
133dnl -----------------------------
134dnl Restore the stashed *FLAGS values.
135AC_DEFUN([GIT_UNSTASH_FLAGS],[
136if test -n "$1"; then
137 CPPFLAGS="$old_CPPFLAGS"
138 LDFLAGS="$old_LDFLAGS"
139fi
140])
141
Stefano Lattarinie9e8c802012-03-26 16:42:24[diff] [blame]142## Configure body starts here.
143
144AC_PREREQ(2.59)
145AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
146
147AC_CONFIG_SRCDIR([git.c])
148
149config_file=config.mak.autogen
Stefano Lattarinie9e8c802012-03-26 16:42:24[diff] [blame]150config_in=config.mak.in
151
Stefano Lattarini8242ff42012-07-19 07:50:02[diff] [blame]152GIT_CONF_SUBST([AUTOCONFIGURED], [YesPlease])
153
Stefano Lattarini21363942012-03-09 12:43:55[diff] [blame]154# Directories holding "saner" versions of common or POSIX binaries.
155AC_ARG_WITH([sane-tool-path],
156 [AS_HELP_STRING(
157 [--with-sane-tool-path=DIR-1[[:DIR-2...:DIR-n]]],
158 [Directories to prepend to PATH in build system and generated scripts])],
159 [if test "$withval" = "no"; then
160 withval=''
161 else
162 AC_MSG_NOTICE([Setting SANE_TOOL_PATH to '$withval'])
163 fi
Stefano Lattarini610473a2012-07-19 07:49:57[diff] [blame]164 GIT_CONF_SUBST([SANE_TOOL_PATH], [$withval])],
Stefano Lattarini21363942012-03-09 12:43:55[diff] [blame]165 [# If the "--with-sane-tool-path" option was not given, don't touch
166 # SANE_TOOL_PATH here, but let defaults in Makefile take care of it.
167 # This should minimize spurious differences in the behaviour of the
168 # Git build system when configure is used w.r.t. when it is not.
169 :])
170
Jakub Narebskia20b4d82006-08-09 00:15:10[diff] [blame]171## Site configuration related to programs (before tests)
Jakub Narebskic4b1b142006-08-02 22:38:56[diff] [blame]172## --with-PACKAGE[=ARG] and --without-PACKAGE
173#
Robert Schiele10861be2007-08-01 04:30:35[diff] [blame]174# Set lib to alternative name of lib directory (e.g. lib64)
175AC_ARG_WITH([lib],
176 [AS_HELP_STRING([--with-lib=ARG],
177 [ARG specifies alternative name for lib directory])],
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]178 [if test "$withval" = "no" || test "$withval" = "yes"; then
179 AC_MSG_WARN([You should provide name for --with-lib=ARG])
180 else
181 lib=$withval
182 AC_MSG_NOTICE([Setting lib to '$lib'])
Stefano Lattarini3a34c2b2012-09-11 15:45:29[diff] [blame]183 GIT_CONF_SUBST([lib])
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]184 fi])
Ben Waltone068f4f2009-03-12 19:20:06[diff] [blame]185
186if test -z "$lib"; then
187 AC_MSG_NOTICE([Setting lib to 'lib' (the default)])
188 lib=lib
189fi
Ben Walton08df6a32009-03-12 19:20:07[diff] [blame]190
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]191AC_ARG_ENABLE([pthreads],
192 [AS_HELP_STRING([--enable-pthreads=FLAGS],
193 [FLAGS is the value to pass to the compiler to enable POSIX Threads.]
194 [The default if FLAGS is not specified is to try first -pthread]
195 [and then -lpthread.]
Stefano Lattarini94b54042013-06-28 17:19:42[diff] [blame]196 [--disable-pthreads will disable threading.])],
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]197[
198if test "x$enableval" = "xyes"; then
199 AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads])
200elif test "x$enableval" != "xno"; then
201 PTHREAD_CFLAGS=$enableval
202 AC_MSG_NOTICE([Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads])
203else
204 AC_MSG_NOTICE([POSIX Threads will be disabled.])
205 NO_PTHREADS=YesPlease
206 USER_NOPTHREAD=1
207fi],
208[
209 AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.])
210])
211
Mark Radabb4bbf72010-04-03 00:35:54[diff] [blame]212# Define option to enable JavaScript minification
213AC_ARG_ENABLE([jsmin],
214[AS_HELP_STRING([--enable-jsmin=PATH],
215 [PATH is the name of a JavaScript minifier or the absolute path to one.])],
216[
217 JSMIN=$enableval;
218 AC_MSG_NOTICE([Setting JSMIN to '$JSMIN' to enable JavaScript minifying])
Stefano Lattarini3a34c2b2012-09-11 15:45:29[diff] [blame]219 GIT_CONF_SUBST([JSMIN])
Mark Radabb4bbf72010-04-03 00:35:54[diff] [blame]220])
221
222# Define option to enable CSS minification
223AC_ARG_ENABLE([cssmin],
224[AS_HELP_STRING([--enable-cssmin=PATH],
225 [PATH is the name of a CSS minifier or the absolute path to one.])],
226[
227 CSSMIN=$enableval;
228 AC_MSG_NOTICE([Setting CSSMIN to '$CSSMIN' to enable CSS minifying])
Stefano Lattarini3a34c2b2012-09-11 15:45:29[diff] [blame]229 GIT_CONF_SUBST([CSSMIN])
Mark Radabb4bbf72010-04-03 00:35:54[diff] [blame]230])
231
Ben Walton08df6a32009-03-12 19:20:07[diff] [blame]232## Site configuration (override autodetection)
233## --with-PACKAGE[=ARG] and --without-PACKAGE
234AC_MSG_NOTICE([CHECKS for site configuration])
235#
236# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
237# tests. These tests take up a significant amount of the total test time
238# but are not needed unless you plan to talk to SVN repos.
239#
Ben Walton08df6a32009-03-12 19:20:07[diff] [blame]240# Define PPC_SHA1 environment variable when running make to make use of
241# a bundled SHA1 routine optimized for PowerPC.
242#
Ben Walton08df6a32009-03-12 19:20:07[diff] [blame]243# Define NO_OPENSSL environment variable if you do not have OpenSSL.
Nicolas Pitre30ae47b2009-08-18 00:09:56[diff] [blame]244# This also implies BLK_SHA1.
Ben Walton08df6a32009-03-12 19:20:07[diff] [blame]245#
246# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
247# /foo/bar/include and /foo/bar/lib directories.
248AC_ARG_WITH(openssl,
249AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]250AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),
251GIT_PARSE_WITH([openssl]))
252
Michał Kiedrowicza119f912011-05-09 21:52:06[diff] [blame]253# Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be
254# able to use Perl-compatible regular expressions.
255#
256# Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in
257# /foo/bar/include and /foo/bar/lib directories.
258#
259AC_ARG_WITH(libpcre,
260AS_HELP_STRING([--with-libpcre],[support Perl-compatible regexes (default is NO)])
261AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]),
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]262 if test "$withval" = "no"; then
263 USE_LIBPCRE=
264 elif test "$withval" = "yes"; then
265 USE_LIBPCRE=YesPlease
266 else
267 USE_LIBPCRE=YesPlease
268 LIBPCREDIR=$withval
Stefano Lattarini3a34c2b2012-09-11 15:45:29[diff] [blame]269 AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]270 dnl USE_LIBPCRE can still be modified below, so don't substitute
271 dnl it yet.
Stefano Lattarini3a34c2b2012-09-11 15:45:29[diff] [blame]272 GIT_CONF_SUBST([LIBPCREDIR])
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]273 fi)
Michał Kiedrowicza119f912011-05-09 21:52:06[diff] [blame]274#
Kirill Smelkov61f76a32014-03-27 14:22:50[diff] [blame]275# Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header.
276AC_FUNC_ALLOCA
277case $ac_cv_working_alloca_h in
278 yes) HAVE_ALLOCA_H=YesPlease;;
279 *) HAVE_ALLOCA_H='';;
280esac
281GIT_CONF_SUBST([HAVE_ALLOCA_H])
282#
Ben Walton08df6a32009-03-12 19:20:07[diff] [blame]283# Define NO_CURL if you do not have curl installed. git-http-pull and
284# git-http-push are not built, and you cannot use http:// and https://
285# transports.
286#
287# Define CURLDIR=/foo/bar if your curl header and library files are in
288# /foo/bar/include and /foo/bar/lib directories.
289AC_ARG_WITH(curl,
290AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
291AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
292GIT_PARSE_WITH(curl))
293#
294# Define NO_EXPAT if you do not have expat installed. git-http-push is
295# not built, and you cannot push using http:// and https:// transports.
296#
297# Define EXPATDIR=/foo/bar if your expat header and library files are in
298# /foo/bar/include and /foo/bar/lib directories.
299AC_ARG_WITH(expat,
300AS_HELP_STRING([--with-expat],
301[support git-push using http:// and https:// transports via WebDAV (default is YES)])
302AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
303GIT_PARSE_WITH(expat))
304#
305# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
306# installed in /sw, but don't want GIT to link against any libraries
307# installed there. If defined you may specify your own (or Fink's)
308# include directories and library directories by defining CFLAGS
309# and LDFLAGS appropriately.
310#
311# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
312# have DarwinPorts installed in /opt/local, but don't want GIT to
313# link against any libraries installed there. If defined you may
314# specify your own (or DarwinPort's) include directories and
315# library directories by defining CFLAGS and LDFLAGS appropriately.
316#
317# Define NO_MMAP if you want to avoid mmap.
318#
319# Define NO_ICONV if your libc does not properly support iconv.
320AC_ARG_WITH(iconv,
321AS_HELP_STRING([--without-iconv],
322[if your architecture doesn't properly support iconv])
323AS_HELP_STRING([--with-iconv=PATH],
324[PATH is prefix for libiconv library and headers])
325AS_HELP_STRING([],
326[used only if you need linking with libiconv]),
327GIT_PARSE_WITH(iconv))
328
329## --enable-FEATURE[=ARG] and --disable-FEATURE
330#
331# Define USE_NSEC below if you want git to care about sub-second file mtimes
332# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
333# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
334# randomly break unless your underlying filesystem supports those sub-second
335# times (my ext3 doesn't).
336#
337# Define USE_STDEV below if you want git to care about the underlying device
338# change being considered an inode change from the update-index perspective.
339
Robert Schiele10861be2007-08-01 04:30:35[diff] [blame]340#
Ben Walton5ca53772009-11-04 18:06:00[diff] [blame]341# Allow user to set ETC_GITCONFIG variable
342GIT_PARSE_WITH_SET_MAKE_VAR(gitconfig, ETC_GITCONFIG,
343 Use VALUE instead of /etc/gitconfig as the
344 global git configuration file.
Petr Onderka6df42ab2010-08-31 22:42:43[diff] [blame]345 If VALUE is not fully qualified it will be interpreted
346 as a path relative to the computed prefix at runtime.)
347
348#
349# Allow user to set ETC_GITATTRIBUTES variable
350GIT_PARSE_WITH_SET_MAKE_VAR(gitattributes, ETC_GITATTRIBUTES,
351 Use VALUE instead of /etc/gitattributes as the
352 global git attributes file.
353 If VALUE is not fully qualified it will be interpreted
Ben Walton5ca53772009-11-04 18:06:00[diff] [blame]354 as a path relative to the computed prefix at runtime.)
355
356#
357# Allow user to set the default pager
358GIT_PARSE_WITH_SET_MAKE_VAR(pager, DEFAULT_PAGER,
359 Use VALUE as the fall-back pager instead of 'less'.
360 This is used by things like 'git log' when the user
361 does not specify a pager to use through alternate
362 methods. eg: /usr/bin/pager)
363#
364# Allow user to set the default editor
365GIT_PARSE_WITH_SET_MAKE_VAR(editor, DEFAULT_EDITOR,
366 Use VALUE as the fall-back editor instead of 'vi'.
367 This is used by things like 'git commit' when the user
368 does not specify a preferred editor through other
369 methods. eg: /usr/bin/editor)
370
371#
Jakub Narebski465e6492006-08-04 15:55:58[diff] [blame]372# Define SHELL_PATH to provide path to shell.
373GIT_ARG_SET_PATH(shell)
374#
375# Define PERL_PATH to provide path to Perl.
376GIT_ARG_SET_PATH(perl)
377#
Johan Herlandd4e1b472009-11-18 01:42:31[diff] [blame]378# Define PYTHON_PATH to provide path to Python.
Ben Waltondc782502010-02-01 02:15:05[diff] [blame]379GIT_ARG_SET_PATH(python, allow-without)
Johan Herlandd4e1b472009-11-18 01:42:31[diff] [blame]380#
Robert Schielebef19da2007-07-29 18:35:45[diff] [blame]381# Define ZLIB_PATH to provide path to zlib.
382GIT_ARG_SET_PATH(zlib)
383#
Eygene Ryabinkin81b63c72007-03-28 11:12:07[diff] [blame]384# Declare the with-tcltk/without-tcltk options.
385AC_ARG_WITH(tcltk,
386AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)])
387AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.])
388AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if])
Stefano Lattarini5b2d1312012-03-26 16:42:26[diff] [blame]389AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),
Eygene Ryabinkin81b63c72007-03-28 11:12:07[diff] [blame]390GIT_PARSE_WITH(tcltk))
391#
Jakub Narebskic4b1b142006-08-02 22:38:56[diff] [blame]392
393
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]394## Checks for programs.
Jakub Narebskifd22c022006-07-08 21:07:13[diff] [blame]395AC_MSG_NOTICE([CHECKS for programs])
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]396#
Dennis Stosberg60a144f2006-08-15 09:01:31[diff] [blame]397AC_PROG_CC([cc gcc])
Gary V. Vaughanf9f33cd2010-05-14 09:31:43[diff] [blame]398AC_C_INLINE
399case $ac_cv_c_inline in
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]400 inline | yes | no) INLINE='';;
401 *) INLINE=$ac_cv_c_inline ;;
Gary V. Vaughanf9f33cd2010-05-14 09:31:43[diff] [blame]402esac
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]403GIT_CONF_SUBST([INLINE])
Gary V. Vaughanf9f33cd2010-05-14 09:31:43[diff] [blame]404
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]405# which switch to pass runtime path to dynamic libraries to the linker
Ralf Wildenhuesa1a587e2009-01-19 20:34:36[diff] [blame]406AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]407 SAVE_LDFLAGS="${LDFLAGS}"
408 LDFLAGS="${SAVE_LDFLAGS} -R /"
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]409 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no])
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]410 LDFLAGS="${SAVE_LDFLAGS}"
411])
Ralf Wildenhuesa1a587e2009-01-19 20:34:36[diff] [blame]412if test "$git_cv_ld_dashr" = "yes"; then
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]413 CC_LD_DYNPATH=-R
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]414else
Ralf Wildenhuesa1a587e2009-01-19 20:34:36[diff] [blame]415 AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]416 SAVE_LDFLAGS="${LDFLAGS}"
417 LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/"
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]418 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no])
Paul Jarc50a4b352009-01-05 02:27:41[diff] [blame]419 LDFLAGS="${SAVE_LDFLAGS}"
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]420 ])
Ralf Wildenhuesa1a587e2009-01-19 20:34:36[diff] [blame]421 if test "$git_cv_ld_wl_rpath" = "yes"; then
��yvind A. Holm9979a502012-10-09 14:26:11[diff] [blame]422 CC_LD_DYNPATH=-Wl,-rpath,
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]423 else
Ralf Wildenhuesa1a587e2009-01-19 20:34:36[diff] [blame]424 AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]425 SAVE_LDFLAGS="${LDFLAGS}"
426 LDFLAGS="${SAVE_LDFLAGS} -rpath /"
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]427 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no])
Paul Jarc50a4b352009-01-05 02:27:41[diff] [blame]428 LDFLAGS="${SAVE_LDFLAGS}"
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]429 ])
Ralf Wildenhuesa1a587e2009-01-19 20:34:36[diff] [blame]430 if test "$git_cv_ld_rpath" = "yes"; then
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]431 CC_LD_DYNPATH=-rpath
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]432 else
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]433 CC_LD_DYNPATH=
Giovanni Funchal798a9452008-08-16 13:01:23[diff] [blame]434 AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
435 fi
436 fi
437fi
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]438GIT_CONF_SUBST([CC_LD_DYNPATH])
Jakub Narebskifd22c022006-07-08 21:07:13[diff] [blame]439#AC_PROG_INSTALL # needs install-sh or install.sh in sources
Robert Schiele96e24ab2007-10-03 01:49:34[diff] [blame]440AC_CHECK_TOOLS(AR, [gar ar], :)
Jakub Narebskifd22c022006-07-08 21:07:13[diff] [blame]441AC_CHECK_PROGS(TAR, [gtar tar])
Gary V. Vaughand1b1a912010-05-14 09:31:36[diff] [blame]442AC_CHECK_PROGS(DIFF, [gnudiff gdiff diff])
Eygene Ryabinkin81b63c72007-03-28 11:12:07[diff] [blame]443# TCLTK_PATH will be set to some value if we want Tcl/Tk
444# or will be empty otherwise.
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]445if test -n "$NO_TCLTK"; then
446 TCLTK_PATH=
447else
Eygene Ryabinkin81b63c72007-03-28 11:12:07[diff] [blame]448 if test "$with_tcltk" = ""; then
449 # No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'.
450 TCLTK_PATH=wish
Eygene Ryabinkin81b63c72007-03-28 11:12:07[diff] [blame]451 elif test "$with_tcltk" = "yes"; then
452 # Tcl/Tk check requested.
453 AC_CHECK_PROGS(TCLTK_PATH, [wish], )
Eygene Ryabinkin68daee02007-03-29 10:06:48[diff] [blame]454 else
Eygene Ryabinkin81b63c72007-03-28 11:12:07[diff] [blame]455 AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk])
456 TCLTK_PATH="$with_tcltk"
Eygene Ryabinkin81b63c72007-03-28 11:12:07[diff] [blame]457 fi
458fi
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]459GIT_CONF_SUBST([TCLTK_PATH])
Jakub Narebski923db422007-12-09 12:57:39[diff] [blame]460AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
461if test -n "$ASCIIDOC"; then
462 AC_MSG_CHECKING([for asciidoc version])
Ben Walton29adc8b2009-03-12 19:20:10[diff] [blame]463 asciidoc_version=`$ASCIIDOC --version 2>/dev/null`
Jakub Narebski923db422007-12-09 12:57:39[diff] [blame]464 case "${asciidoc_version}" in
Jeff King79c461d2010-11-19 17:54:24[diff] [blame]465 asciidoc' '8*)
Jakub Narebski923db422007-12-09 12:57:39[diff] [blame]466 AC_MSG_RESULT([${asciidoc_version}])
467 ;;
468 *)
Jakub Narebski923db422007-12-09 12:57:39[diff] [blame]469 AC_MSG_RESULT([${asciidoc_version} (unknown)])
470 ;;
471 esac
472fi
Jakub Narebski923db422007-12-09 12:57:39[diff] [blame]473
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]474
475## Checks for libraries.
Jakub Narebskiebdf5322006-07-08 21:07:12[diff] [blame]476AC_MSG_NOTICE([CHECKS for libraries])
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]477#
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]478# Define NO_OPENSSL environment variable if you do not have OpenSSL.
Jakub Narebskiebdf5322006-07-08 21:07:12[diff] [blame]479# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]480
481GIT_STASH_FLAGS($OPENSSLDIR)
482
Jakub Narebskid5c31a12006-08-04 21:43:59[diff] [blame]483AC_CHECK_LIB([crypto], [SHA1_Init],
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]484[NEEDS_SSL_WITH_CRYPTO=],
Junio C Hamano3068f6c2006-08-04 23:33:18[diff] [blame]485[AC_CHECK_LIB([ssl], [SHA1_Init],
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]486 [NEEDS_SSL_WITH_CRYPTO=YesPlease NO_OPENSSL=],
487 [NEEDS_SSL_WITH_CRYPTO= NO_OPENSSL=YesPlease])])
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]488
489GIT_UNSTASH_FLAGS($OPENSSLDIR)
490
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]491GIT_CONF_SUBST([NEEDS_SSL_WITH_CRYPTO])
492GIT_CONF_SUBST([NO_OPENSSL])
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]493
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]494#
Michał Kiedrowicza119f912011-05-09 21:52:06[diff] [blame]495# Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be
496# able to use Perl-compatible regular expressions.
497#
498
499if test -n "$USE_LIBPCRE"; then
500
501GIT_STASH_FLAGS($LIBPCREDIR)
502
503AC_CHECK_LIB([pcre], [pcre_version],
504[USE_LIBPCRE=YesPlease],
505[USE_LIBPCRE=])
506
507GIT_UNSTASH_FLAGS($LIBPCREDIR)
508
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]509GIT_CONF_SUBST([USE_LIBPCRE])
Michał Kiedrowicza119f912011-05-09 21:52:06[diff] [blame]510
511fi
512
513#
Johan Herland8da1e212008-06-15 10:14:12[diff] [blame]514# Define NO_CURL if you do not have libcurl installed. git-http-pull and
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]515# git-http-push are not built, and you cannot use http:// and https://
516# transports.
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]517
518GIT_STASH_FLAGS($CURLDIR)
519
Jakub Narebskid5c31a12006-08-04 21:43:59[diff] [blame]520AC_CHECK_LIB([curl], [curl_global_init],
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]521[NO_CURL=],
522[NO_CURL=YesPlease])
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]523
Remi Pommarel7e91e8d2015-09-24 19:14:00[diff] [blame]524if test -z "${NO_CURL}" && test -z "${NO_OPENSSL}"; then
525
526AC_CHECK_LIB([curl], [Curl_ssl_init],
527[NEEDS_SSL_WITH_CURL=YesPlease],
528[NEEDS_SSL_WITH_CURL=])
529
530GIT_CONF_SUBST([NEEDS_SSL_WITH_CURL])
531
532fi
533
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]534GIT_UNSTASH_FLAGS($CURLDIR)
535
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]536GIT_CONF_SUBST([NO_CURL])
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]537
Remi Pommarelf8915872015-10-21 17:10:46[diff] [blame]538if test -z "$NO_CURL"; then
539
540AC_CHECK_PROG([CURL_CONFIG], [curl-config],
541[curl-config],
542[no])
543
544if test $CURL_CONFIG != no; then
545 GIT_CONF_SUBST([CURL_CONFIG])
546fi
547
548fi
549
550
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]551#
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]552# Define NO_EXPAT if you do not have expat installed. git-http-push is
553# not built, and you cannot push using http:// and https:// transports.
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]554
555GIT_STASH_FLAGS($EXPATDIR)
556
Jakub Narebskid5c31a12006-08-04 21:43:59[diff] [blame]557AC_CHECK_LIB([expat], [XML_ParserCreate],
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]558[NO_EXPAT=],
559[NO_EXPAT=YesPlease])
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]560
561GIT_UNSTASH_FLAGS($EXPATDIR)
562
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]563GIT_CONF_SUBST([NO_EXPAT])
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]564
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]565#
Fredrik Kuivinene63ccb82007-02-18 08:44:42[diff] [blame]566# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
567# some Solaris installations).
Jakub Narebski6ff88de2006-09-07 11:48:08[diff] [blame]568# Define NO_ICONV if neither libc nor libiconv support iconv.
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]569
Marco Nelissen934f82a2009-06-09 03:46:38[diff] [blame]570if test -z "$NO_ICONV"; then
571
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]572GIT_STASH_FLAGS($ICONVDIR)
573
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]574AC_DEFUN([ICONVTEST_SRC],
575[AC_LANG_PROGRAM([#include <iconv.h>],
576 [iconv_open("", "");])])
Ben Waltona8304f72009-03-12 19:20:11[diff] [blame]577
578if test -n "$ICONVDIR"; then
579 lib_order="-liconv -lc"
580else
581 lib_order="-lc -liconv"
582fi
583
584NO_ICONV=YesPlease
585
586for l in $lib_order; do
587 if test "$l" = "-liconv"; then
588 NEEDS_LIBICONV=YesPlease
589 else
590 NEEDS_LIBICONV=
591 fi
592
593 old_LIBS="$LIBS"
594 LIBS="$LIBS $l"
595 AC_MSG_CHECKING([for iconv in $l])
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]596 AC_LINK_IFELSE([ICONVTEST_SRC],
Fredrik Kuivinene63ccb82007-02-18 08:44:42[diff] [blame]597 [AC_MSG_RESULT([yes])
Ben Waltona8304f72009-03-12 19:20:11[diff] [blame]598 NO_ICONV=
599 break],
600 [AC_MSG_RESULT([no])])
601 LIBS="$old_LIBS"
602done
603
604#in case of break
605LIBS="$old_LIBS"
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]606
607GIT_UNSTASH_FLAGS($ICONVDIR)
608
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]609GIT_CONF_SUBST([NEEDS_LIBICONV])
610GIT_CONF_SUBST([NO_ICONV])
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]611
Marco Nelissen934f82a2009-06-09 03:46:38[diff] [blame]612if test -n "$NO_ICONV"; then
613 NEEDS_LIBICONV=
614fi
615
616fi
617
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]618#
David Symonds609a2282007-11-07 03:24:28[diff] [blame]619# Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]620
621GIT_STASH_FLAGS($ZLIB_PATH)
622
David Symonds609a2282007-11-07 03:24:28[diff] [blame]623AC_DEFUN([ZLIBTEST_SRC], [
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]624AC_LANG_PROGRAM([#include <zlib.h>],
625 [deflateBound(0, 0);])])
David Symonds609a2282007-11-07 03:24:28[diff] [blame]626AC_MSG_CHECKING([for deflateBound in -lz])
627old_LIBS="$LIBS"
628LIBS="$LIBS -lz"
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]629AC_LINK_IFELSE([ZLIBTEST_SRC],
David Symonds609a2282007-11-07 03:24:28[diff] [blame]630 [AC_MSG_RESULT([yes])],
631 [AC_MSG_RESULT([no])
632 NO_DEFLATE_BOUND=yes])
633LIBS="$old_LIBS"
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]634
635GIT_UNSTASH_FLAGS($ZLIB_PATH)
636
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]637GIT_CONF_SUBST([NO_DEFLATE_BOUND])
Ben Walton310386f2009-03-12 19:20:09[diff] [blame]638
David Symonds609a2282007-11-07 03:24:28[diff] [blame]639#
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]640# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
641# Patrick Mauritz).
Jakub Narebskid5c31a12006-08-04 21:43:59[diff] [blame]642AC_CHECK_LIB([c], [socket],
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]643[NEEDS_SOCKET=],
644[NEEDS_SOCKET=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]645GIT_CONF_SUBST([NEEDS_SOCKET])
Dennis Stosbergd1b99442006-08-15 09:01:27[diff] [blame]646test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]647
Ralf Wildenhues8fccb002009-06-07 05:40:29[diff] [blame]648#
Gary V. Vaughan5a857c72010-05-14 09:31:41[diff] [blame]649# The next few tests will define NEEDS_RESOLV if linking with
650# libresolv provides some of the functions we would normally get
651# from libc.
652NEEDS_RESOLV=
Gary V. Vaughan5a857c72010-05-14 09:31:41[diff] [blame]653#
654# Define NO_INET_NTOP if linking with -lresolv is not enough.
655# Solaris 2.7 in particular hos inet_ntop in -lresolv.
656NO_INET_NTOP=
Gary V. Vaughan5a857c72010-05-14 09:31:41[diff] [blame]657AC_CHECK_FUNC([inet_ntop],
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]658 [],
Gary V. Vaughan5a857c72010-05-14 09:31:41[diff] [blame]659 [AC_CHECK_LIB([resolv], [inet_ntop],
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]660 [NEEDS_RESOLV=YesPlease],
Gary V. Vaughan5a857c72010-05-14 09:31:41[diff] [blame]661 [NO_INET_NTOP=YesPlease])
662])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]663GIT_CONF_SUBST([NO_INET_NTOP])
Gary V. Vaughan5a857c72010-05-14 09:31:41[diff] [blame]664#
665# Define NO_INET_PTON if linking with -lresolv is not enough.
666# Solaris 2.7 in particular hos inet_pton in -lresolv.
667NO_INET_PTON=
Gary V. Vaughan5a857c72010-05-14 09:31:41[diff] [blame]668AC_CHECK_FUNC([inet_pton],
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]669 [],
Gary V. Vaughan5a857c72010-05-14 09:31:41[diff] [blame]670 [AC_CHECK_LIB([resolv], [inet_pton],
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]671 [NEEDS_RESOLV=YesPlease],
Gary V. Vaughan5a857c72010-05-14 09:31:41[diff] [blame]672 [NO_INET_PTON=YesPlease])
673])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]674GIT_CONF_SUBST([NO_INET_PTON])
Gary V. Vaughan0a9b1672010-05-14 09:31:40[diff] [blame]675#
676# Define NO_HSTRERROR if linking with -lresolv is not enough.
677# Solaris 2.6 in particular has no hstrerror, even in -lresolv.
678NO_HSTRERROR=
679AC_CHECK_FUNC([hstrerror],
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]680 [],
Gary V. Vaughan0a9b1672010-05-14 09:31:40[diff] [blame]681 [AC_CHECK_LIB([resolv], [hstrerror],
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]682 [NEEDS_RESOLV=YesPlease],
Gary V. Vaughan0a9b1672010-05-14 09:31:40[diff] [blame]683 [NO_HSTRERROR=YesPlease])
684])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]685GIT_CONF_SUBST([NO_HSTRERROR])
686
687dnl This must go after all the possible places for its initialization,
688dnl in the AC_CHECK_FUNC invocations above.
689GIT_CONF_SUBST([NEEDS_RESOLV])
Gary V. Vaughan5a857c72010-05-14 09:31:41[diff] [blame]690#
691# If any of the above tests determined that -lresolv is needed at
692# build-time, also set it here for remaining configure-time checks.
Ralf Wildenhues8fccb002009-06-07 05:40:29[diff] [blame]693test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv"
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]694
Brandon Caseya1142892009-07-21 20:23:06[diff] [blame]695AC_CHECK_LIB([c], [basename],
Brandon Caseyecc395c2009-07-10 17:10:45[diff] [blame]696[NEEDS_LIBGEN=],
697[NEEDS_LIBGEN=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]698GIT_CONF_SUBST([NEEDS_LIBGEN])
Brandon Caseyecc395c2009-07-10 17:10:45[diff] [blame]699test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen"
700
Ævar Arnfjörð Bjarmason5e9637c2011-11-17 23:14:42[diff] [blame]701AC_CHECK_LIB([c], [gettext],
702[LIBC_CONTAINS_LIBINTL=YesPlease],
703[LIBC_CONTAINS_LIBINTL=])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]704GIT_CONF_SUBST([LIBC_CONTAINS_LIBINTL])
John Szakmeistera8356d42012-02-18 19:38:04[diff] [blame]705
706#
707# Define NO_GETTEXT if you don't want Git output to be translated.
708# A translated Git requires GNU libintl or another gettext implementation
709AC_CHECK_HEADER([libintl.h],
710[NO_GETTEXT=],
711[NO_GETTEXT=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]712GIT_CONF_SUBST([NO_GETTEXT])
John Szakmeistera8356d42012-02-18 19:38:04[diff] [blame]713
714if test -z "$NO_GETTEXT"; then
715 test -n "$LIBC_CONTAINS_LIBINTL" || LIBS="$LIBS -lintl"
716fi
Ævar Arnfjörð Bjarmason5e9637c2011-11-17 23:14:42[diff] [blame]717
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]718## Checks for header files.
Jakub Narebski0f7a9c92007-12-07 01:27:20[diff] [blame]719AC_MSG_NOTICE([CHECKS for header files])
720#
Jakub Narebski3cf32372008-01-25 11:19:41[diff] [blame]721# Define NO_SYS_SELECT_H if you don't have sys/select.h.
722AC_CHECK_HEADER([sys/select.h],
723[NO_SYS_SELECT_H=],
724[NO_SYS_SELECT_H=UnfortunatelyYes])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]725GIT_CONF_SUBST([NO_SYS_SELECT_H])
Jakub Narebski3cf32372008-01-25 11:19:41[diff] [blame]726#
Markus Duft25fe66f2010-10-27 08:39:53[diff] [blame]727# Define NO_SYS_POLL_H if you don't have sys/poll.h
728AC_CHECK_HEADER([sys/poll.h],
729[NO_SYS_POLL_H=],
730[NO_SYS_POLL_H=UnfortunatelyYes])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]731GIT_CONF_SUBST([NO_SYS_POLL_H])
Markus Duft25fe66f2010-10-27 08:39:53[diff] [blame]732#
733# Define NO_INTTYPES_H if you don't have inttypes.h
734AC_CHECK_HEADER([inttypes.h],
735[NO_INTTYPES_H=],
736[NO_INTTYPES_H=UnfortunatelyYes])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]737GIT_CONF_SUBST([NO_INTTYPES_H])
Markus Duft25fe66f2010-10-27 08:39:53[diff] [blame]738#
Jakub Narebski0f7a9c92007-12-07 01:27:20[diff] [blame]739# Define OLD_ICONV if your library has an old iconv(), where the second
740# (input buffer pointer) parameter is declared with type (const char **).
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]741AC_DEFUN([OLDICONVTEST_SRC], [
742AC_LANG_PROGRAM([[
Jakub Narebski0f7a9c92007-12-07 01:27:20[diff] [blame]743#include <iconv.h>
744
745extern size_t iconv(iconv_t cd,
746 char **inbuf, size_t *inbytesleft,
747 char **outbuf, size_t *outbytesleft);
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]748]], [])])
Ben Waltona8304f72009-03-12 19:20:11[diff] [blame]749
750GIT_STASH_FLAGS($ICONVDIR)
751
Jakub Narebski0f7a9c92007-12-07 01:27:20[diff] [blame]752AC_MSG_CHECKING([for old iconv()])
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]753AC_COMPILE_IFELSE([OLDICONVTEST_SRC],
Jakub Narebski0f7a9c92007-12-07 01:27:20[diff] [blame]754 [AC_MSG_RESULT([no])],
755 [AC_MSG_RESULT([yes])
756 OLD_ICONV=UnfortunatelyYes])
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]757
Ben Waltona8304f72009-03-12 19:20:11[diff] [blame]758GIT_UNSTASH_FLAGS($ICONVDIR)
759
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]760GIT_CONF_SUBST([OLD_ICONV])
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]761
762## Checks for typedefs, structures, and compiler characteristics.
Jakub Narebskieb0f2552006-07-08 21:07:10[diff] [blame]763AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]764#
Gary V. Vaughane88a1352010-05-14 09:31:42[diff] [blame]765TYPE_SOCKLEN_T
766case $ac_cv_type_socklen_t in
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]767 yes) SOCKLEN_T='';;
768 *) SOCKLEN_T=$git_cv_socklen_t_equiv;;
Gary V. Vaughane88a1352010-05-14 09:31:42[diff] [blame]769esac
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]770GIT_CONF_SUBST([SOCKLEN_T])
Gary V. Vaughane88a1352010-05-14 09:31:42[diff] [blame]771
Jonas 'Sortie' Termansen64410902014-08-29 16:42:34[diff] [blame]772#
773# Define NO_STRUCT_ITIMERVAL if you don't have struct itimerval.
774AC_CHECK_TYPES([struct itimerval],
775[NO_STRUCT_ITIMERVAL=],
776[NO_STRUCT_ITIMERVAL=UnfortunatelyYes],
777[#include <sys/time.h>])
778GIT_CONF_SUBST([NO_STRUCT_ITIMERVAL])
779#
Reuben Hawkins8bd2c972015-01-08 20:00:55[diff] [blame]780# Define USE_ST_TIMESPEC=YesPlease when stat.st_mtimespec.tv_nsec exists.
781# Define NO_NSEC=YesPlease when neither stat.st_mtim.tv_nsec nor
782# stat.st_mtimespec.tv_nsec exists.
783AC_CHECK_MEMBER([struct stat.st_mtimespec.tv_nsec])
784AC_CHECK_MEMBER([struct stat.st_mtim.tv_nsec])
785if test x$ac_cv_member_struct_stat_st_mtimespec_tv_nsec = xyes; then
786 USE_ST_TIMESPEC=YesPlease
787 GIT_CONF_SUBST([USE_ST_TIMESPEC])
788elif test x$ac_cv_member_struct_stat_st_mtim_tv_nsec != xyes; then
789 NO_NSEC=YesPlease
790 GIT_CONF_SUBST([NO_NSEC])
791fi
792#
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]793# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
794# d_type in struct dirent (latest Cygwin -- will be fixed soonish).
Jakub Narebskid5c31a12006-08-04 21:43:59[diff] [blame]795AC_CHECK_MEMBER(struct dirent.d_type,
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]796[NO_D_TYPE_IN_DIRENT=],
797[NO_D_TYPE_IN_DIRENT=YesPlease],
Jakub Narebskieb0f2552006-07-08 21:07:10[diff] [blame]798[#include <dirent.h>])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]799GIT_CONF_SUBST([NO_D_TYPE_IN_DIRENT])
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]800#
David Michael110d6982012-12-14 19:56:59[diff] [blame]801# Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd
802# in the C library.
803AC_CHECK_MEMBER(struct passwd.pw_gecos,
804[NO_GECOS_IN_PWENT=],
805[NO_GECOS_IN_PWENT=YesPlease],
806[#include <pwd.h>])
807GIT_CONF_SUBST([NO_GECOS_IN_PWENT])
808#
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]809# Define NO_SOCKADDR_STORAGE if your platform does not have struct
810# sockaddr_storage.
Jakub Narebskid5c31a12006-08-04 21:43:59[diff] [blame]811AC_CHECK_TYPE(struct sockaddr_storage,
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]812[NO_SOCKADDR_STORAGE=],
Dennis Stosbergab5573a2006-08-15 09:01:25[diff] [blame]813[NO_SOCKADDR_STORAGE=YesPlease],[
814#include <sys/types.h>
815#include <sys/socket.h>
816])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]817GIT_CONF_SUBST([NO_SOCKADDR_STORAGE])
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]818#
Junio C Hamano8c6ab352006-08-04 23:46:16[diff] [blame]819# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
820AC_CHECK_TYPE([struct addrinfo],[
David M. Syzdek1689c5d2008-10-26 11:52:19[diff] [blame]821 GIT_CHECK_FUNC([getaddrinfo],
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]822 [NO_IPV6=],
823 [NO_IPV6=YesPlease])
824],[NO_IPV6=YesPlease],[
Junio C Hamano8c6ab352006-08-04 23:46:16[diff] [blame]825#include <sys/types.h>
826#include <sys/socket.h>
827#include <netdb.h>
828])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]829GIT_CONF_SUBST([NO_IPV6])
Jakub Narebski656517b2006-08-04 15:55:57[diff] [blame]830#
Jonathan Niedera1e3b662010-08-17 09:24:42[diff] [blame]831# Define NO_REGEX if you have no or inferior regex support in your C library.
832AC_CACHE_CHECK([whether the platform regex can handle null bytes],
833 [ac_cv_c_excellent_regex], [
834AC_EGREP_CPP(yippeeyeswehaveit,
835 AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
836#include <regex.h>
837],
838[#ifdef REG_STARTEND
839yippeeyeswehaveit
840#endif
841]),
842 [ac_cv_c_excellent_regex=yes],
Junio C Hamano23168242010-08-22 16:44:45[diff] [blame]843 [ac_cv_c_excellent_regex=no])
Jonathan Niedera1e3b662010-08-17 09:24:42[diff] [blame]844])
845if test $ac_cv_c_excellent_regex = yes; then
846 NO_REGEX=
847else
848 NO_REGEX=YesPlease
849fi
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]850GIT_CONF_SUBST([NO_REGEX])
Jonathan Niedera1e3b662010-08-17 09:24:42[diff] [blame]851#
Michal Rokos8ce1f242008-03-11 08:48:34[diff] [blame]852# Define FREAD_READS_DIRECTORIES if your are on a system which succeeds
853# when attempting to read from an fopen'ed directory.
854AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory],
855 [ac_cv_fread_reads_directories],
856[
857AC_RUN_IFELSE(
858 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
859 [[char c;
860 FILE *f = fopen(".", "r");
861 return f && fread(&c, 1, 1, f)]])],
862 [ac_cv_fread_reads_directories=no],
863 [ac_cv_fread_reads_directories=yes])
864])
865if test $ac_cv_fread_reads_directories = yes; then
866 FREAD_READS_DIRECTORIES=UnfortunatelyYes
867else
868 FREAD_READS_DIRECTORIES=
869fi
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]870GIT_CONF_SUBST([FREAD_READS_DIRECTORIES])
Michal Rokos8ce1f242008-03-11 08:48:34[diff] [blame]871#
Michal Rokosc4582f92008-03-05 15:46:13[diff] [blame]872# Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf()
873# or vsnprintf() return -1 instead of number of characters which would
874# have been written to the final string if enough space had been available.
875AC_CACHE_CHECK([whether snprintf() and/or vsnprintf() return bogus value],
876 [ac_cv_snprintf_returns_bogus],
877[
878AC_RUN_IFELSE(
879 [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
880 #include "stdarg.h"
881
882 int test_vsnprintf(char *str, size_t maxsize, const char *format, ...)
883 {
884 int ret;
885 va_list ap;
886 va_start(ap, format);
887 ret = vsnprintf(str, maxsize, format, ap);
888 va_end(ap);
889 return ret;
890 }],
891 [[char buf[6];
892 if (test_vsnprintf(buf, 3, "%s", "12345") != 5
893 || strcmp(buf, "12")) return 1;
894 if (snprintf(buf, 3, "%s", "12345") != 5
895 || strcmp(buf, "12")) return 1]])],
896 [ac_cv_snprintf_returns_bogus=no],
897 [ac_cv_snprintf_returns_bogus=yes])
898])
899if test $ac_cv_snprintf_returns_bogus = yes; then
900 SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes
901else
902 SNPRINTF_RETURNS_BOGUS=
903fi
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]904GIT_CONF_SUBST([SNPRINTF_RETURNS_BOGUS])
David Michaeld543d9c2014-12-04 02:24:17[diff] [blame]905#
906# Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type
907# bits in mode values.
908AC_CACHE_CHECK([whether the platform uses typical file type bits],
909 [ac_cv_sane_mode_bits], [
910AC_EGREP_CPP(yippeeyeswehaveit,
911 AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
912[#if S_IFMT == 0170000 && \
913 S_IFREG == 0100000 && S_IFDIR == 0040000 && S_IFLNK == 0120000 && \
914 S_IFBLK == 0060000 && S_IFCHR == 0020000 && \
915 S_IFIFO == 0010000 && S_IFSOCK == 0140000
916yippeeyeswehaveit
917#endif
918]),
919 [ac_cv_sane_mode_bits=yes],
920 [ac_cv_sane_mode_bits=no])
921])
922if test $ac_cv_sane_mode_bits = yes; then
923 NEEDS_MODE_TRANSLATION=
924else
925 NEEDS_MODE_TRANSLATION=UnfortunatelyYes
926fi
927GIT_CONF_SUBST([NEEDS_MODE_TRANSLATION])
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]928
Jakub Narebskia20b4d82006-08-09 00:15:10[diff] [blame]929
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]930## Checks for library functions.
Jakub Narebski1bbbadb2006-07-08 21:07:11[diff] [blame]931## (in default C library and libraries checked by AC_CHECK_LIB)
932AC_MSG_NOTICE([CHECKS for library functions])
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]933#
David Aguilare1c06882009-05-31 08:35:51[diff] [blame]934# Define NO_LIBGEN_H if you don't have libgen.h.
935AC_CHECK_HEADER([libgen.h],
936[NO_LIBGEN_H=],
937[NO_LIBGEN_H=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]938GIT_CONF_SUBST([NO_LIBGEN_H])
David Aguilare1c06882009-05-31 08:35:51[diff] [blame]939#
Jakub Narebskibb15e382010-04-15 12:27:49[diff] [blame]940# Define HAVE_PATHS_H if you have paths.h.
941AC_CHECK_HEADER([paths.h],
942[HAVE_PATHS_H=YesPlease],
943[HAVE_PATHS_H=])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]944GIT_CONF_SUBST([HAVE_PATHS_H])
Jakub Narebskibb15e382010-04-15 12:27:49[diff] [blame]945#
Ævar Arnfjörð Bjarmason5e9637c2011-11-17 23:14:42[diff] [blame]946# Define HAVE_LIBCHARSET_H if have libcharset.h
947AC_CHECK_HEADER([libcharset.h],
948[HAVE_LIBCHARSET_H=YesPlease],
949[HAVE_LIBCHARSET_H=])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]950GIT_CONF_SUBST([HAVE_LIBCHARSET_H])
David Michaelb3e103d2012-12-14 19:57:01[diff] [blame]951#
952# Define HAVE_STRINGS_H if you have strings.h
953AC_CHECK_HEADER([strings.h],
954[HAVE_STRINGS_H=YesPlease],
955[HAVE_STRINGS_H=])
956GIT_CONF_SUBST([HAVE_STRINGS_H])
Дилян Палаузовb5225282012-02-12 16:23:36[diff] [blame]957# Define CHARSET_LIB if libiconv does not export the locale_charset symbol
958# and libcharset does
959CHARSET_LIB=
960AC_CHECK_LIB([iconv], [locale_charset],
Dmitry Marakasov62fb6d02014-03-11 18:35:29[diff] [blame]961 [CHARSET_LIB=-liconv],
Дилян Палаузовb5225282012-02-12 16:23:36[diff] [blame]962 [AC_CHECK_LIB([charset], [locale_charset],
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]963 [CHARSET_LIB=-lcharset])])
964GIT_CONF_SUBST([CHARSET_LIB])
Ævar Arnfjörð Bjarmason5e9637c2011-11-17 23:14:42[diff] [blame]965#
Reuben Hawkins88e01182015-01-08 20:00:57[diff] [blame]966# Define NO_HMAC_CTX_CLEANUP=YesPlease if HMAC_CTX_cleanup is missing.
967AC_CHECK_LIB([crypto], [HMAC_CTX_cleanup],
968 [], [GIT_CONF_SUBST([NO_HMAC_CTX_CLEANUP], [YesPlease])])
969#
Reuben Hawkinsa6c3c632015-01-08 20:00:56[diff] [blame]970# Define HAVE_CLOCK_GETTIME=YesPlease if clock_gettime is available.
971GIT_CHECK_FUNC(clock_gettime,
972 [HAVE_CLOCK_GETTIME=YesPlease],
973 [HAVE_CLOCK_GETTIME=])
974GIT_CONF_SUBST([HAVE_CLOCK_GETTIME])
975
976AC_DEFUN([CLOCK_MONOTONIC_SRC], [
977AC_LANG_PROGRAM([[
978#include <time.h>
979clockid_t id = CLOCK_MONOTONIC;
980]])])
981
982#
983# Define HAVE_CLOCK_MONOTONIC=YesPlease if CLOCK_MONOTONIC is available.
984AC_MSG_CHECKING([for CLOCK_MONOTONIC])
985AC_COMPILE_IFELSE([CLOCK_MONOTONIC_SRC],
986 [AC_MSG_RESULT([yes])
987 HAVE_CLOCK_MONOTONIC=YesPlease],
988 [AC_MSG_RESULT([no])
989 HAVE_CLOCK_MONOTONIC=])
990GIT_CONF_SUBST([HAVE_CLOCK_MONOTONIC])
991#
Jonas 'Sortie' Termansena6fd4fb2014-08-29 16:42:35[diff] [blame]992# Define NO_SETITIMER if you don't have setitimer.
993GIT_CHECK_FUNC(setitimer,
994[NO_SETITIMER=],
995[NO_SETITIMER=YesPlease])
996GIT_CONF_SUBST([NO_SETITIMER])
997#
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]998# Define NO_STRCASESTR if you don't have strcasestr.
David M. Syzdek1689c5d2008-10-26 11:52:19[diff] [blame]999GIT_CHECK_FUNC(strcasestr,
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]1000[NO_STRCASESTR=],
1001[NO_STRCASESTR=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1002GIT_CONF_SUBST([NO_STRCASESTR])
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]1003#
Jakub Narebski24397552007-11-19 18:47:05[diff] [blame]1004# Define NO_MEMMEM if you don't have memmem.
David M. Syzdek1689c5d2008-10-26 11:52:19[diff] [blame]1005GIT_CHECK_FUNC(memmem,
Jakub Narebski24397552007-11-19 18:47:05[diff] [blame]1006[NO_MEMMEM=],
1007[NO_MEMMEM=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1008GIT_CONF_SUBST([NO_MEMMEM])
Jakub Narebski24397552007-11-19 18:47:05[diff] [blame]1009#
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]1010# Define NO_STRLCPY if you don't have strlcpy.
David M. Syzdek1689c5d2008-10-26 11:52:19[diff] [blame]1011GIT_CHECK_FUNC(strlcpy,
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]1012[NO_STRLCPY=],
1013[NO_STRLCPY=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1014GIT_CONF_SUBST([NO_STRLCPY])
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]1015#
David M. Syzdek0bc3e782008-10-26 11:52:37[diff] [blame]1016# Define NO_UINTMAX_T if your platform does not have uintmax_t
1017AC_CHECK_TYPE(uintmax_t,
1018[NO_UINTMAX_T=],
1019[NO_UINTMAX_T=YesPlease],[
1020#include <inttypes.h>
1021])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1022GIT_CONF_SUBST([NO_UINTMAX_T])
David M. Syzdek0bc3e782008-10-26 11:52:37[diff] [blame]1023#
Jakub Narebski24397552007-11-19 18:47:05[diff] [blame]1024# Define NO_STRTOUMAX if you don't have strtoumax in the C library.
David M. Syzdek1689c5d2008-10-26 11:52:19[diff] [blame]1025GIT_CHECK_FUNC(strtoumax,
Jakub Narebski24397552007-11-19 18:47:05[diff] [blame]1026[NO_STRTOUMAX=],
1027[NO_STRTOUMAX=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1028GIT_CONF_SUBST([NO_STRTOUMAX])
Jakub Narebski24397552007-11-19 18:47:05[diff] [blame]1029#
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]1030# Define NO_SETENV if you don't have setenv in the C library.
David M. Syzdek1689c5d2008-10-26 11:52:19[diff] [blame]1031GIT_CHECK_FUNC(setenv,
Jakub Narebski424adc52006-08-08 16:39:06[diff] [blame]1032[NO_SETENV=],
1033[NO_SETENV=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1034GIT_CONF_SUBST([NO_SETENV])
Jakub Narebskif6719572006-07-08 21:07:14[diff] [blame]1035#
Jakub Narebskibfa8fcc2008-01-18 01:03:51[diff] [blame]1036# Define NO_UNSETENV if you don't have unsetenv in the C library.
David M. Syzdek1689c5d2008-10-26 11:52:19[diff] [blame]1037GIT_CHECK_FUNC(unsetenv,
Jakub Narebskibfa8fcc2008-01-18 01:03:51[diff] [blame]1038[NO_UNSETENV=],
1039[NO_UNSETENV=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1040GIT_CONF_SUBST([NO_UNSETENV])
Jakub Narebskibfa8fcc2008-01-18 01:03:51[diff] [blame]1041#
Jakub Narebski24397552007-11-19 18:47:05[diff] [blame]1042# Define NO_MKDTEMP if you don't have mkdtemp in the C library.
David M. Syzdek1689c5d2008-10-26 11:52:19[diff] [blame]1043GIT_CHECK_FUNC(mkdtemp,
Jakub Narebski24397552007-11-19 18:47:05[diff] [blame]1044[NO_MKDTEMP=],
1045[NO_MKDTEMP=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1046GIT_CONF_SUBST([NO_MKDTEMP])
Jakub Narebski24397552007-11-19 18:47:05[diff] [blame]1047#
David Aguilar0620b392009-05-31 08:35:50[diff] [blame]1048# Define NO_MKSTEMPS if you don't have mkstemps in the C library.
1049GIT_CHECK_FUNC(mkstemps,
1050[NO_MKSTEMPS=],
1051[NO_MKSTEMPS=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1052GIT_CONF_SUBST([NO_MKSTEMPS])
David Aguilar0620b392009-05-31 08:35:50[diff] [blame]1053#
Markus Duft25fe66f2010-10-27 08:39:53[diff] [blame]1054# Define NO_INITGROUPS if you don't have initgroups in the C library.
1055GIT_CHECK_FUNC(initgroups,
1056[NO_INITGROUPS=],
1057[NO_INITGROUPS=YesPlease])
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1058GIT_CONF_SUBST([NO_INITGROUPS])
Markus Duft25fe66f2010-10-27 08:39:53[diff] [blame]1059#
Eric Sunshine96658062015-06-02 21:15:44[diff] [blame]1060# Define HAVE_GETDELIM if you have getdelim in the C library.
1061GIT_CHECK_FUNC(getdelim,
1062[HAVE_GETDELIM=YesPlease],
1063[HAVE_GETDELIM=])
1064GIT_CONF_SUBST([HAVE_GETDELIM])
1065#
David Aguilar0620b392009-05-31 08:35:50[diff] [blame]1066#
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]1067# Define NO_MMAP if you want to avoid mmap.
1068#
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]1069# Define NO_ICONV if your libc does not properly support iconv.
1070
Kyle J. McKay95290802015-03-08 07:14:36[diff] [blame]1071AC_DEFUN([BSD_SYSCTL_SRC], [
1072AC_LANG_PROGRAM([[
1073#include <stddef.h>
1074#include <sys/types.h>
1075#include <sys/sysctl.h>
1076]],[[
1077int val, mib[2];
1078size_t len;
1079mib[0] = CTL_HW;
1080mib[1] = 1;
1081len = sizeof(val);
1082return sysctl(mib, 2, &val, &len, NULL, 0) ? 1 : 0;
1083]])])
1084
1085#
1086# Define HAVE_BSD_SYSCTL=YesPlease if a BSD-compatible sysctl function is available.
1087AC_MSG_CHECKING([for BSD sysctl])
1088AC_COMPILE_IFELSE([BSD_SYSCTL_SRC],
1089 [AC_MSG_RESULT([yes])
1090 HAVE_BSD_SYSCTL=YesPlease],
1091 [AC_MSG_RESULT([no])
1092 HAVE_BSD_SYSCTL=])
1093GIT_CONF_SUBST([HAVE_BSD_SYSCTL])
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]1094
1095## Other checks.
1096# Define USE_PIC if you need the main git objects to be built with -fPIC
1097# in order to build and link perl/Git.so. x86-64 seems to need this.
1098#
1099# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
1100# Enable it on Windows. By default, symrefs are still used.
David M. Syzdek20f7a392008-11-03 18:14:28[diff] [blame]1101#
Dan McGee7eb151d2010-01-30 01:22:19[diff] [blame]1102# Define NO_PTHREADS if we do not have pthreads.
Junio C Hamano46059cc2008-11-15 12:08:14[diff] [blame]1103#
Dan McGee7eb151d2010-01-30 01:22:19[diff] [blame]1104# Define PTHREAD_LIBS to the linker flag used for Pthread support.
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1105AC_DEFUN([PTHREADTEST_SRC], [
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]1106AC_LANG_PROGRAM([[
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1107#include <pthread.h>
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]1108]], [[
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1109 pthread_mutex_t test_mutex;
Giuseppe Bilottacea13a82011-03-28 07:39:59[diff] [blame]1110 pthread_key_t test_key;
Gary V. Vaughan48793cf2010-05-14 09:31:34[diff] [blame]1111 int retcode = 0;
Giuseppe Bilottacea13a82011-03-28 07:39:59[diff] [blame]1112 retcode |= pthread_key_create(&test_key, (void *)0);
Gary V. Vaughan48793cf2010-05-14 09:31:34[diff] [blame]1113 retcode |= pthread_mutex_init(&test_mutex,(void *)0);
1114 retcode |= pthread_mutex_lock(&test_mutex);
1115 retcode |= pthread_mutex_unlock(&test_mutex);
1116 return retcode;
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]1117]])])
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1118
1119dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM(
1120dnl [[#include <pthread.h>]],
1121dnl [[pthread_mutex_t test_mutex;]]
1122dnl )])
1123
1124NO_PTHREADS=UnfortunatelyYes
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1125PTHREAD_LIBS=
1126
1127if test -n "$USER_NOPTHREAD"; then
1128 AC_MSG_NOTICE([Skipping POSIX Threads at user request.])
1129# handle these separately since PTHREAD_CFLAGS could be '-lpthreads
1130# -D_REENTRANT' or some such.
1131elif test -z "$PTHREAD_CFLAGS"; then
Gary V. Vaughan48793cf2010-05-14 09:31:34[diff] [blame]1132 threads_found=no
Max Horne0a52272012-11-27 23:28:51[diff] [blame]1133 # Attempt to compile and link some code using pthreads to determine
1134 # required linker flags. The order is somewhat important here: We
1135 # first try it without any extra flags, to catch systems where
1136 # pthreads are part of the C library, then go on testing various other
1137 # flags. We do so to avoid false positives. For example, on Mac OS X
1138 # pthreads are part of the C library; moreover, the compiler allows us
1139 # to add "-mt" to the CFLAGS (although it will do nothing except
1140 # trigger a warning about an unused flag). Hence if we checked for
1141 # "-mt" before "" we would end up picking it. But unfortunately this
1142 # would then trigger compiler warnings on every single file we compile.
1143 for opt in "" -mt -pthread -lpthread; do
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1144 old_CFLAGS="$CFLAGS"
Rainer M. Canavanbac2c5b2015-11-06 01:11:37[diff] [blame]1145 old_LIBS="$LIBS"
1146 case "$opt" in
1147 -l*) LIBS="$opt $LIBS" ;;
1148 *) CFLAGS="$opt $CFLAGS" ;;
1149 esac
1150
Stefano Lattarini49aeead2012-10-24 15:34:27[diff] [blame]1151 AC_MSG_CHECKING([for POSIX Threads with '$opt'])
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]1152 AC_LINK_IFELSE([PTHREADTEST_SRC],
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1153 [AC_MSG_RESULT([yes])
1154 NO_PTHREADS=
1155 PTHREAD_LIBS="$opt"
Gary V. Vaughan48793cf2010-05-14 09:31:34[diff] [blame]1156 PTHREAD_CFLAGS="$opt"
1157 threads_found=yes
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1158 break
1159 ],
1160 [AC_MSG_RESULT([no])])
1161 CFLAGS="$old_CFLAGS"
Rainer M. Canavanbac2c5b2015-11-06 01:11:37[diff] [blame]1162 LIBS="$old_LIBS"
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1163 done
Gary V. Vaughan48793cf2010-05-14 09:31:34[diff] [blame]1164 if test $threads_found != yes; then
1165 AC_CHECK_LIB([pthread], [pthread_create],
1166 [PTHREAD_LIBS="-lpthread"],
1167 [NO_PTHREADS=UnfortunatelyYes])
1168 fi
David M. Syzdek20f7a392008-11-03 18:14:28[diff] [blame]1169else
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1170 old_CFLAGS="$CFLAGS"
1171 CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
Stefano Lattarini49aeead2012-10-24 15:34:27[diff] [blame]1172 AC_MSG_CHECKING([for POSIX Threads with '$PTHREAD_CFLAGS'])
Ralf Wildenhues1e58dba2011-01-02 10:24:55[diff] [blame]1173 AC_LINK_IFELSE([PTHREADTEST_SRC],
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1174 [AC_MSG_RESULT([yes])
1175 NO_PTHREADS=
1176 PTHREAD_LIBS="$PTHREAD_CFLAGS"
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1177 ],
1178 [AC_MSG_RESULT([no])])
1179
1180 CFLAGS="$old_CFLAGS"
David M. Syzdek20f7a392008-11-03 18:14:28[diff] [blame]1181fi
Ben Walton1973b0d2009-03-12 19:20:12[diff] [blame]1182
1183CFLAGS="$old_CFLAGS"
1184
Stefano Lattarini40bfbde2012-09-11 15:45:30[diff] [blame]1185GIT_CONF_SUBST([PTHREAD_CFLAGS])
1186GIT_CONF_SUBST([PTHREAD_LIBS])
1187GIT_CONF_SUBST([NO_PTHREADS])
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]1188
Jakub Narebski633b4232006-07-08 21:07:08[diff] [blame]1189## Output files
Stefano Lattariniac5fc1c2012-07-19 07:50:00[diff] [blame]1190AC_CONFIG_FILES(["${config_file}":"${config_in}"])
Jakub Narebski55667712006-07-02 23:56:48[diff] [blame]1191AC_OUTPUT