if test "$withval" = "yes"; then \
AC_MSG_WARN([You should provide path for --with-$1=PATH]); \
else \
+ m4_toupper($1)_PATH=$withval; \
+ AC_MSG_NOTICE([Setting m4_toupper($1)_PATH to $withval]); \
GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \
fi; \
fi; \
m4_toupper(NO_$1)=; \
else \
m4_toupper(NO_$1)=; \
+ m4_toupper($1)DIR=$withval; \
+ AC_MSG_NOTICE([Setting m4_toupper($1)DIR to $withval]); \
GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
fi \
])# GIT_PARSE_WITH
+dnl
+dnl GIT_CHECK_FUNC(FUNCTION, IFTRUE, IFFALSE)
+dnl -----------------------------------------
+dnl Similar to AC_CHECK_FUNC, but on systems that do not generate
+dnl warnings for missing prototypes (e.g. FreeBSD when compiling without
+dnl -Wall), it does not work. By looking for function definition in
+dnl libraries, this problem can be worked around.
+AC_DEFUN([GIT_CHECK_FUNC],[AC_CHECK_FUNC([$1],[
+ AC_SEARCH_LIBS([$1],,
+ [$2],[$3])
+],[$3])])
+
+dnl
+dnl GIT_STASH_FLAGS(BASEPATH_VAR)
+dnl -----------------------------
+dnl Allow for easy stashing of LDFLAGS and CPPFLAGS before running
+dnl tests that may want to take user settings into account.
+AC_DEFUN([GIT_STASH_FLAGS],[
+if test -n "$1"; then
+ old_CPPFLAGS="$CPPFLAGS"
+ old_LDFLAGS="$LDFLAGS"
+ CPPFLAGS="-I$1/include $CPPFLAGS"
+ LDFLAGS="-L$1/$lib $LDFLAGS"
+fi
+])
+
+dnl
+dnl GIT_UNSTASH_FLAGS(BASEPATH_VAR)
+dnl -----------------------------
+dnl Restore the stashed *FLAGS values.
+AC_DEFUN([GIT_UNSTASH_FLAGS],[
+if test -n "$1"; then
+ CPPFLAGS="$old_CPPFLAGS"
+ LDFLAGS="$old_LDFLAGS"
+fi
+])
## Site configuration related to programs (before tests)
## --with-PACKAGE[=ARG] and --without-PACKAGE
[if test "$withval" = "no" || test "$withval" = "yes"; then \
AC_MSG_WARN([You should provide name for --with-lib=ARG]); \
else \
+ lib=$withval; \
+ AC_MSG_NOTICE([Setting lib to '$lib']); \
GIT_CONF_APPEND_LINE(lib=$withval); \
fi; \
],[])
+
+if test -z "$lib"; then
+ AC_MSG_NOTICE([Setting lib to 'lib' (the default)])
+ lib=lib
+fi
+
+AC_ARG_ENABLE([pthreads],
+ [AS_HELP_STRING([--enable-pthreads=FLAGS],
+ [FLAGS is the value to pass to the compiler to enable POSIX Threads.]
+ [The default if FLAGS is not specified is to try first -pthread]
+ [and then -lpthread.]
+ [--without-pthreads will disable threading.])],
+[
+if test "x$enableval" = "xyes"; then
+ AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads])
+elif test "x$enableval" != "xno"; then
+ PTHREAD_CFLAGS=$enableval
+ AC_MSG_NOTICE([Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads])
+else
+ AC_MSG_NOTICE([POSIX Threads will be disabled.])
+ NO_PTHREADS=YesPlease
+ USER_NOPTHREAD=1
+fi],
+[
+ AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads.])
+])
+
+## Site configuration (override autodetection)
+## --with-PACKAGE[=ARG] and --without-PACKAGE
+AC_MSG_NOTICE([CHECKS for site configuration])
+#
+# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
+# tests. These tests take up a significant amount of the total test time
+# but are not needed unless you plan to talk to SVN repos.
+#
+# Define MOZILLA_SHA1 environment variable when running make to make use of
+# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
+# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
+# choice) has very fast version optimized for i586.
+#
+# Define PPC_SHA1 environment variable when running make to make use of
+# a bundled SHA1 routine optimized for PowerPC.
+#
+# Define ARM_SHA1 environment variable when running make to make use of
+# a bundled SHA1 routine optimized for ARM.
+#
+# Define NO_OPENSSL environment variable if you do not have OpenSSL.
+# This also implies MOZILLA_SHA1.
+#
+# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
+# /foo/bar/include and /foo/bar/lib directories.
+AC_ARG_WITH(openssl,
+AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
+AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\
+GIT_PARSE_WITH(openssl))
+#
+# Define NO_CURL if you do not have curl installed. git-http-pull and
+# git-http-push are not built, and you cannot use http:// and https://
+# transports.
+#
+# Define CURLDIR=/foo/bar if your curl header and library files are in
+# /foo/bar/include and /foo/bar/lib directories.
+AC_ARG_WITH(curl,
+AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
+AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
+GIT_PARSE_WITH(curl))
+#
+# Define NO_EXPAT if you do not have expat installed. git-http-push is
+# not built, and you cannot push using http:// and https:// transports.
+#
+# Define EXPATDIR=/foo/bar if your expat header and library files are in
+# /foo/bar/include and /foo/bar/lib directories.
+AC_ARG_WITH(expat,
+AS_HELP_STRING([--with-expat],
+[support git-push using http:// and https:// transports via WebDAV (default is YES)])
+AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
+GIT_PARSE_WITH(expat))
+#
+# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
+# installed in /sw, but don't want GIT to link against any libraries
+# installed there. If defined you may specify your own (or Fink's)
+# include directories and library directories by defining CFLAGS
+# and LDFLAGS appropriately.
+#
+# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
+# have DarwinPorts installed in /opt/local, but don't want GIT to
+# link against any libraries installed there. If defined you may
+# specify your own (or DarwinPort's) include directories and
+# library directories by defining CFLAGS and LDFLAGS appropriately.
+#
+# Define NO_MMAP if you want to avoid mmap.
+#
+# Define NO_ICONV if your libc does not properly support iconv.
+AC_ARG_WITH(iconv,
+AS_HELP_STRING([--without-iconv],
+[if your architecture doesn't properly support iconv])
+AS_HELP_STRING([--with-iconv=PATH],
+[PATH is prefix for libiconv library and headers])
+AS_HELP_STRING([],
+[used only if you need linking with libiconv]),
+GIT_PARSE_WITH(iconv))
+
+## --enable-FEATURE[=ARG] and --disable-FEATURE
+#
+# Define USE_NSEC below if you want git to care about sub-second file mtimes
+# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
+# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
+# randomly break unless your underlying filesystem supports those sub-second
+# times (my ext3 doesn't).
+#
+# Define USE_STDEV below if you want git to care about the underlying device
+# change being considered an inode change from the update-index perspective.
+
#
# Define SHELL_PATH to provide path to shell.
GIT_ARG_SET_PATH(shell)
AC_MSG_NOTICE([CHECKS for programs])
#
AC_PROG_CC([cc gcc])
+# which switch to pass runtime path to dynamic libraries to the linker
+AC_CACHE_CHECK([if linker supports -R], git_cv_ld_dashr, [
+ SAVE_LDFLAGS="${LDFLAGS}"
+ LDFLAGS="${SAVE_LDFLAGS} -R /"
+ AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_dashr=yes], [git_cv_ld_dashr=no])
+ LDFLAGS="${SAVE_LDFLAGS}"
+])
+if test "$git_cv_ld_dashr" = "yes"; then
+ AC_SUBST(CC_LD_DYNPATH, [-R])
+else
+ AC_CACHE_CHECK([if linker supports -Wl,-rpath,], git_cv_ld_wl_rpath, [
+ SAVE_LDFLAGS="${LDFLAGS}"
+ LDFLAGS="${SAVE_LDFLAGS} -Wl,-rpath,/"
+ AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_wl_rpath=yes], [git_cv_ld_wl_rpath=no])
+ LDFLAGS="${SAVE_LDFLAGS}"
+ ])
+ if test "$git_cv_ld_wl_rpath" = "yes"; then
+ AC_SUBST(CC_LD_DYNPATH, [-Wl,-rpath,])
+ else
+ AC_CACHE_CHECK([if linker supports -rpath], git_cv_ld_rpath, [
+ SAVE_LDFLAGS="${LDFLAGS}"
+ LDFLAGS="${SAVE_LDFLAGS} -rpath /"
+ AC_LINK_IFELSE(AC_LANG_PROGRAM([], []), [git_cv_ld_rpath=yes], [git_cv_ld_rpath=no])
+ LDFLAGS="${SAVE_LDFLAGS}"
+ ])
+ if test "$git_cv_ld_rpath" = "yes"; then
+ AC_SUBST(CC_LD_DYNPATH, [-rpath])
+ else
+ AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
+ fi
+ fi
+fi
#AC_PROG_INSTALL # needs install-sh or install.sh in sources
AC_CHECK_TOOLS(AR, [gar ar], :)
AC_CHECK_PROGS(TAR, [gtar tar])
AC_CHECK_PROGS(ASCIIDOC, [asciidoc])
if test -n "$ASCIIDOC"; then
AC_MSG_CHECKING([for asciidoc version])
- asciidoc_version=`$ASCIIDOC --version 2>&1`
+ asciidoc_version=`$ASCIIDOC --version 2>/dev/null`
case "${asciidoc_version}" in
asciidoc' '8*)
ASCIIDOC8=YesPlease
#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
+
+GIT_STASH_FLAGS($OPENSSLDIR)
+
AC_CHECK_LIB([crypto], [SHA1_Init],
[NEEDS_SSL_WITH_CRYPTO=],
[AC_CHECK_LIB([ssl], [SHA1_Init],
[NEEDS_SSL_WITH_CRYPTO=YesPlease
NEEDS_SSL_WITH_CRYPTO=],
[NO_OPENSSL=YesPlease])])
+
+GIT_UNSTASH_FLAGS($OPENSSLDIR)
+
AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
AC_SUBST(NO_OPENSSL)
+
#
# Define NO_CURL if you do not have libcurl installed. git-http-pull and
# git-http-push are not built, and you cannot use http:// and https://
# transports.
+
+GIT_STASH_FLAGS($CURLDIR)
+
AC_CHECK_LIB([curl], [curl_global_init],
[NO_CURL=],
[NO_CURL=YesPlease])
+
+GIT_UNSTASH_FLAGS($CURLDIR)
+
AC_SUBST(NO_CURL)
+
#
# Define NO_EXPAT if you do not have expat installed. git-http-push is
# not built, and you cannot push using http:// and https:// transports.
+
+GIT_STASH_FLAGS($EXPATDIR)
+
AC_CHECK_LIB([expat], [XML_ParserCreate],
[NO_EXPAT=],
[NO_EXPAT=YesPlease])
+
+GIT_UNSTASH_FLAGS($EXPATDIR)
+
AC_SUBST(NO_EXPAT)
+
#
# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
# some Solaris installations).
# Define NO_ICONV if neither libc nor libiconv support iconv.
+
+GIT_STASH_FLAGS($ICONVDIR)
+
AC_DEFUN([ICONVTEST_SRC], [
#include <iconv.h>
return 0;
}
])
-AC_MSG_CHECKING([for iconv in -lc])
-AC_LINK_IFELSE(ICONVTEST_SRC,
+
+if test -n "$ICONVDIR"; then
+ lib_order="-liconv -lc"
+else
+ lib_order="-lc -liconv"
+fi
+
+NO_ICONV=YesPlease
+
+for l in $lib_order; do
+ if test "$l" = "-liconv"; then
+ NEEDS_LIBICONV=YesPlease
+ else
+ NEEDS_LIBICONV=
+ fi
+
+ old_LIBS="$LIBS"
+ LIBS="$LIBS $l"
+ AC_MSG_CHECKING([for iconv in $l])
+ AC_LINK_IFELSE(ICONVTEST_SRC,
[AC_MSG_RESULT([yes])
- NEEDS_LIBICONV=],
- [AC_MSG_RESULT([no])
- old_LIBS="$LIBS"
- LIBS="$LIBS -liconv"
- AC_MSG_CHECKING([for iconv in -liconv])
- AC_LINK_IFELSE(ICONVTEST_SRC,
- [AC_MSG_RESULT([yes])
- NEEDS_LIBICONV=YesPlease],
- [AC_MSG_RESULT([no])
- NO_ICONV=YesPlease])
- LIBS="$old_LIBS"])
+ NO_ICONV=
+ break],
+ [AC_MSG_RESULT([no])])
+ LIBS="$old_LIBS"
+done
+
+#in case of break
+LIBS="$old_LIBS"
+
+GIT_UNSTASH_FLAGS($ICONVDIR)
+
AC_SUBST(NEEDS_LIBICONV)
AC_SUBST(NO_ICONV)
-test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
+
#
# Define NO_DEFLATE_BOUND if deflateBound is missing from zlib.
+
+GIT_STASH_FLAGS($ZLIB_PATH)
+
AC_DEFUN([ZLIBTEST_SRC], [
#include <zlib.h>
[AC_MSG_RESULT([no])
NO_DEFLATE_BOUND=yes])
LIBS="$old_LIBS"
+
+GIT_UNSTASH_FLAGS($ZLIB_PATH)
+
AC_SUBST(NO_DEFLATE_BOUND)
+
#
# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
# Patrick Mauritz).
return 0;
}
]])
+
+GIT_STASH_FLAGS($ICONVDIR)
+
AC_MSG_CHECKING([for old iconv()])
AC_COMPILE_IFELSE(OLDICONVTEST_SRC,
[AC_MSG_RESULT([no])],
[AC_MSG_RESULT([yes])
OLD_ICONV=UnfortunatelyYes])
-AC_SUBST(OLD_ICONV)
+GIT_UNSTASH_FLAGS($ICONVDIR)
+
+AC_SUBST(OLD_ICONV)
## Checks for typedefs, structures, and compiler characteristics.
AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
#
# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
AC_CHECK_TYPE([struct addrinfo],[
- AC_CHECK_FUNC([getaddrinfo],
+ GIT_CHECK_FUNC([getaddrinfo],
[NO_IPV6=],
[NO_IPV6=YesPlease])
],[NO_IPV6=YesPlease],[
AC_MSG_NOTICE([CHECKS for library functions])
#
# Define NO_STRCASESTR if you don't have strcasestr.
-AC_CHECK_FUNC(strcasestr,
+GIT_CHECK_FUNC(strcasestr,
[NO_STRCASESTR=],
[NO_STRCASESTR=YesPlease])
AC_SUBST(NO_STRCASESTR)
#
# Define NO_MEMMEM if you don't have memmem.
-AC_CHECK_FUNC(memmem,
+GIT_CHECK_FUNC(memmem,
[NO_MEMMEM=],
[NO_MEMMEM=YesPlease])
AC_SUBST(NO_MEMMEM)
#
# Define NO_STRLCPY if you don't have strlcpy.
-AC_CHECK_FUNC(strlcpy,
+GIT_CHECK_FUNC(strlcpy,
[NO_STRLCPY=],
[NO_STRLCPY=YesPlease])
AC_SUBST(NO_STRLCPY)
#
+# Define NO_UINTMAX_T if your platform does not have uintmax_t
+AC_CHECK_TYPE(uintmax_t,
+[NO_UINTMAX_T=],
+[NO_UINTMAX_T=YesPlease],[
+#include <inttypes.h>
+])
+AC_SUBST(NO_UINTMAX_T)
+#
# Define NO_STRTOUMAX if you don't have strtoumax in the C library.
-AC_CHECK_FUNC(strtoumax,
+GIT_CHECK_FUNC(strtoumax,
[NO_STRTOUMAX=],
[NO_STRTOUMAX=YesPlease])
AC_SUBST(NO_STRTOUMAX)
#
# Define NO_SETENV if you don't have setenv in the C library.
-AC_CHECK_FUNC(setenv,
+GIT_CHECK_FUNC(setenv,
[NO_SETENV=],
[NO_SETENV=YesPlease])
AC_SUBST(NO_SETENV)
#
# Define NO_UNSETENV if you don't have unsetenv in the C library.
-AC_CHECK_FUNC(unsetenv,
+GIT_CHECK_FUNC(unsetenv,
[NO_UNSETENV=],
[NO_UNSETENV=YesPlease])
AC_SUBST(NO_UNSETENV)
#
# Define NO_MKDTEMP if you don't have mkdtemp in the C library.
-AC_CHECK_FUNC(mkdtemp,
+GIT_CHECK_FUNC(mkdtemp,
[NO_MKDTEMP=],
[NO_MKDTEMP=YesPlease])
AC_SUBST(NO_MKDTEMP)
#
# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
# Enable it on Windows. By default, symrefs are still used.
-
-## Site configuration (override autodetection)
-## --with-PACKAGE[=ARG] and --without-PACKAGE
-AC_MSG_NOTICE([CHECKS for site configuration])
-#
-# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
-# tests. These tests take up a significant amount of the total test time
-# but are not needed unless you plan to talk to SVN repos.
-#
-# Define MOZILLA_SHA1 environment variable when running make to make use of
-# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
-# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
-# choice) has very fast version optimized for i586.
-#
-# Define PPC_SHA1 environment variable when running make to make use of
-# a bundled SHA1 routine optimized for PowerPC.
-#
-# Define ARM_SHA1 environment variable when running make to make use of
-# a bundled SHA1 routine optimized for ARM.
-#
-# Define NO_OPENSSL environment variable if you do not have OpenSSL.
-# This also implies MOZILLA_SHA1.
-#
-# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
-# /foo/bar/include and /foo/bar/lib directories.
-AC_ARG_WITH(openssl,
-AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
-AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\
-GIT_PARSE_WITH(openssl))
-#
-# Define NO_CURL if you do not have curl installed. git-http-pull and
-# git-http-push are not built, and you cannot use http:// and https://
-# transports.
-#
-# Define CURLDIR=/foo/bar if your curl header and library files are in
-# /foo/bar/include and /foo/bar/lib directories.
-AC_ARG_WITH(curl,
-AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
-AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
-GIT_PARSE_WITH(curl))
-#
-# Define NO_EXPAT if you do not have expat installed. git-http-push is
-# not built, and you cannot push using http:// and https:// transports.
-#
-# Define EXPATDIR=/foo/bar if your expat header and library files are in
-# /foo/bar/include and /foo/bar/lib directories.
-AC_ARG_WITH(expat,
-AS_HELP_STRING([--with-expat],
-[support git-push using http:// and https:// transports via WebDAV (default is YES)])
-AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
-GIT_PARSE_WITH(expat))
#
-# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
-# installed in /sw, but don't want GIT to link against any libraries
-# installed there. If defined you may specify your own (or Fink's)
-# include directories and library directories by defining CFLAGS
-# and LDFLAGS appropriately.
+# Define NO_PTHREADS if we do not have pthreads
#
-# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
-# have DarwinPorts installed in /opt/local, but don't want GIT to
-# link against any libraries installed there. If defined you may
-# specify your own (or DarwinPort's) include directories and
-# library directories by defining CFLAGS and LDFLAGS appropriately.
-#
-# Define NO_MMAP if you want to avoid mmap.
-#
-# Define NO_ICONV if your libc does not properly support iconv.
-AC_ARG_WITH(iconv,
-AS_HELP_STRING([--without-iconv],
-[if your architecture doesn't properly support iconv])
-AS_HELP_STRING([--with-iconv=PATH],
-[PATH is prefix for libiconv library and headers])
-AS_HELP_STRING([],
-[used only if you need linking with libiconv]),
-GIT_PARSE_WITH(iconv))
+# Define PTHREAD_LIBS to the linker flag used for Pthread support and define
+# THREADED_DELTA_SEARCH if Pthreads are available.
+AC_DEFUN([PTHREADTEST_SRC], [
+#include <pthread.h>
-## --enable-FEATURE[=ARG] and --disable-FEATURE
-#
-# Define USE_NSEC below if you want git to care about sub-second file mtimes
-# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
-# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
-# randomly break unless your underlying filesystem supports those sub-second
-# times (my ext3 doesn't).
-#
-# Define USE_STDEV below if you want git to care about the underlying device
-# change being considered an inode change from the update-index perspective.
+int main(void)
+{
+ pthread_mutex_t test_mutex;
+ return (0);
+}
+])
+
+dnl AC_LANG_CONFTEST([AC_LANG_PROGRAM(
+dnl [[#include <pthread.h>]],
+dnl [[pthread_mutex_t test_mutex;]]
+dnl )])
+
+NO_PTHREADS=UnfortunatelyYes
+THREADED_DELTA_SEARCH=
+PTHREAD_LIBS=
+
+if test -n "$USER_NOPTHREAD"; then
+ AC_MSG_NOTICE([Skipping POSIX Threads at user request.])
+# handle these separately since PTHREAD_CFLAGS could be '-lpthreads
+# -D_REENTRANT' or some such.
+elif test -z "$PTHREAD_CFLAGS"; then
+ for opt in -pthread -lpthread; do
+ old_CFLAGS="$CFLAGS"
+ CFLAGS="$opt $CFLAGS"
+ AC_MSG_CHECKING([Checking for POSIX Threads with '$opt'])
+ AC_LINK_IFELSE(PTHREADTEST_SRC,
+ [AC_MSG_RESULT([yes])
+ NO_PTHREADS=
+ PTHREAD_LIBS="$opt"
+ THREADED_DELTA_SEARCH=YesPlease
+ break
+ ],
+ [AC_MSG_RESULT([no])])
+ CFLAGS="$old_CFLAGS"
+ done
+else
+ old_CFLAGS="$CFLAGS"
+ CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
+ AC_MSG_CHECKING([Checking for POSIX Threads with '$PTHREAD_CFLAGS'])
+ AC_LINK_IFELSE(PTHREADTEST_SRC,
+ [AC_MSG_RESULT([yes])
+ NO_PTHREADS=
+ PTHREAD_LIBS="$PTHREAD_CFLAGS"
+ THREADED_DELTA_SEARCH=YesPlease
+ ],
+ [AC_MSG_RESULT([no])])
+
+ CFLAGS="$old_CFLAGS"
+fi
+
+CFLAGS="$old_CFLAGS"
+AC_SUBST(PTHREAD_LIBS)
+AC_SUBST(NO_PTHREADS)
+AC_SUBST(THREADED_DELTA_SEARCH)
## Output files
AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])