diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 374 |
1 files changed, 295 insertions, 79 deletions
diff --git a/configure.ac b/configure.ac index 41ac9a5e2d..031e8d3fee 100644 --- a/configure.ac +++ b/configure.ac @@ -85,7 +85,7 @@ AC_DEFUN([GIT_PARSE_WITH], # GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT) # ----------------------------------------------------- -# Set VAR to the value specied by --with-WITHNAME. +# Set VAR to the value specified by --with-WITHNAME. # No verification of arguments is performed, but warnings are issued # if either 'yes' or 'no' is specified. # HELP_TEXT is presented when --help is called. @@ -193,7 +193,7 @@ AC_ARG_ENABLE([pthreads], [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.])], + [--disable-pthreads will disable threading.])], [ if test "x$enableval" = "xyes"; then AC_MSG_NOTICE([Will try -pthread then -lpthread to enable POSIX Threads]) @@ -241,7 +241,6 @@ AC_MSG_NOTICE([CHECKS for site configuration]) # a bundled SHA1 routine optimized for PowerPC. # # Define NO_OPENSSL environment variable if you do not have OpenSSL. -# This also implies BLK_SHA1. # # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in # /foo/bar/include and /foo/bar/lib directories. @@ -250,28 +249,63 @@ AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)]) AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]), GIT_PARSE_WITH([openssl])) -# Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be -# able to use Perl-compatible regular expressions. +# Define USE_LIBPCRE if you have and want to use libpcre. Various +# commands such as log and grep offer runtime options to use +# Perl-compatible regular expressions instead of standard or extended +# POSIX regular expressions. Only libpcre version 2 is supported. # -# Define LIBPCREDIR=/foo/bar if your libpcre header and library files are in +# Define LIBPCREDIR=/foo/bar if your PCRE header and library files are in # /foo/bar/include and /foo/bar/lib directories. # + +AC_ARG_WITH(libpcre1, +AS_HELP_STRING([--with-libpcre1],[DEPRECATED]), + AC_MSG_ERROR([support for --with-libpcre1 has been removed. Use --with-libpcre2!]) + ) + AC_ARG_WITH(libpcre, -AS_HELP_STRING([--with-libpcre],[support Perl-compatible regexes (default is NO)]) +AS_HELP_STRING([--with-libpcre],[synonym for --with-libpcre2]), + if test "$withval" = "no"; then + USE_LIBPCRE2= + elif test "$withval" = "yes"; then + USE_LIBPCRE2=YesPlease + else + USE_LIBPCRE2=YesPlease + LIBPCREDIR=$withval + AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR]) + dnl USE_LIBPCRE2 can still be modified below, so don't substitute + dnl it yet. + GIT_CONF_SUBST([LIBPCREDIR]) + fi) + +AC_ARG_WITH(libpcre2, +AS_HELP_STRING([--with-libpcre2],[support Perl-compatible regexes via libpcre2 (default is NO)]) AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]), + if test -n "$USE_LIBPCRE2"; then + AC_MSG_ERROR([Only supply one of --with-libpcre or its synonym --with-libpcre2!]) + fi + if test "$withval" = "no"; then - USE_LIBPCRE= + USE_LIBPCRE2= elif test "$withval" = "yes"; then - USE_LIBPCRE=YesPlease + USE_LIBPCRE2=YesPlease else - USE_LIBPCRE=YesPlease + USE_LIBPCRE2=YesPlease LIBPCREDIR=$withval AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR]) - dnl USE_LIBPCRE can still be modified below, so don't substitute + dnl USE_LIBPCRE2 can still be modified below, so don't substitute dnl it yet. GIT_CONF_SUBST([LIBPCREDIR]) fi) # +# Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header. +AC_FUNC_ALLOCA +case $ac_cv_working_alloca_h in + yes) HAVE_ALLOCA_H=YesPlease;; + *) HAVE_ALLOCA_H='';; +esac +GIT_CONF_SUBST([HAVE_ALLOCA_H]) +# # Define NO_CURL if you do not have curl installed. git-http-pull and # git-http-push are not built, and you cannot use http:// and https:// # transports. @@ -422,8 +456,18 @@ else if test "$git_cv_ld_rpath" = "yes"; then CC_LD_DYNPATH=-rpath else - CC_LD_DYNPATH= - AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) + AC_CACHE_CHECK([if linker supports -Wl,+b,], git_cv_ld_wl_b, [ + SAVE_LDFLAGS="${LDFLAGS}" + LDFLAGS="${SAVE_LDFLAGS} -Wl,+b,/" + AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_b=yes], [git_cv_ld_wl_b=no]) + LDFLAGS="${SAVE_LDFLAGS}" + ]) + if test "$git_cv_ld_wl_b" = "yes"; then + CC_LD_DYNPATH=-Wl,+b, + else + CC_LD_DYNPATH= + AC_MSG_WARN([linker does not support runtime path to dynamic libraries]) + fi fi fi fi @@ -463,6 +507,13 @@ if test -n "$ASCIIDOC"; then esac fi +if grep -a ascii configure.ac >/dev/null; then + AC_MSG_RESULT([Using 'grep -a' for sane_grep]) + SANE_TEXT_GREP=-a +else + SANE_TEXT_GREP= +fi +GIT_CONF_SUBST([SANE_TEXT_GREP]) ## Checks for libraries. AC_MSG_NOTICE([CHECKS for libraries]) @@ -484,21 +535,20 @@ GIT_CONF_SUBST([NEEDS_SSL_WITH_CRYPTO]) GIT_CONF_SUBST([NO_OPENSSL]) # -# Define USE_LIBPCRE if you have and want to use libpcre. git-grep will be -# able to use Perl-compatible regular expressions. +# Handle the USE_LIBPCRE options potentially set above. # -if test -n "$USE_LIBPCRE"; then +if test -n "$USE_LIBPCRE2"; then GIT_STASH_FLAGS($LIBPCREDIR) -AC_CHECK_LIB([pcre], [pcre_version], -[USE_LIBPCRE=YesPlease], -[USE_LIBPCRE=]) +AC_CHECK_LIB([pcre2-8], [pcre2_config_8], +[USE_LIBPCRE2=YesPlease], +[USE_LIBPCRE2=]) GIT_UNSTASH_FLAGS($LIBPCREDIR) -GIT_CONF_SUBST([USE_LIBPCRE]) +GIT_CONF_SUBST([USE_LIBPCRE2]) fi @@ -517,6 +567,27 @@ GIT_UNSTASH_FLAGS($CURLDIR) GIT_CONF_SUBST([NO_CURL]) +if test -z "$NO_CURL"; then + +AC_CHECK_PROG([CURL_CONFIG], [curl-config], +[curl-config], +[no]) + +if test $CURL_CONFIG != no; then + GIT_CONF_SUBST([CURL_CONFIG]) + + if test -z "$CURL_CONFIG_OPTS"; then + CURL_CONFIG_OPTS="--libs" + fi + + CURL_LDFLAGS=$($CURL_CONFIG $CURL_CONFIG_OPTS) + AC_MSG_NOTICE([Setting CURL_LDFLAGS to '$CURL_LDFLAGS']) + GIT_CONF_SUBST([CURL_LDFLAGS], [$CURL_LDFLAGS]) +fi + +fi + + # # Define NO_EXPAT if you do not have expat installed. git-http-push is # not built, and you cannot push using http:// and https:// transports. @@ -667,9 +738,19 @@ AC_CHECK_LIB([c], [basename], GIT_CONF_SUBST([NEEDS_LIBGEN]) test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen" -AC_CHECK_LIB([c], [gettext], -[LIBC_CONTAINS_LIBINTL=YesPlease], -[LIBC_CONTAINS_LIBINTL=]) +AC_DEFUN([LIBINTL_SRC], [ +AC_LANG_PROGRAM([[ +#include <libintl.h> +]],[[ +char *msg = gettext("test"); +]])]) + +AC_MSG_CHECKING([if libc contains libintl]) +AC_LINK_IFELSE([LIBINTL_SRC], + [AC_MSG_RESULT([yes]) + LIBC_CONTAINS_LIBINTL=YesPlease], + [AC_MSG_RESULT([no]) + LIBC_CONTAINS_LIBINTL=]) GIT_CONF_SUBST([LIBC_CONTAINS_LIBINTL]) # @@ -693,6 +774,12 @@ AC_CHECK_HEADER([sys/select.h], [NO_SYS_SELECT_H=UnfortunatelyYes]) GIT_CONF_SUBST([NO_SYS_SELECT_H]) # +# Define NO_POLL_H if you don't have poll.h +AC_CHECK_HEADER([poll.h], +[NO_POLL_H=], +[NO_POLL_H=UnfortunatelyYes]) +GIT_CONF_SUBST([NO_POLL_H]) +# # Define NO_SYS_POLL_H if you don't have sys/poll.h AC_CHECK_HEADER([sys/poll.h], [NO_SYS_POLL_H=], @@ -722,12 +809,61 @@ AC_MSG_CHECKING([for old iconv()]) AC_COMPILE_IFELSE([OLDICONVTEST_SRC], [AC_MSG_RESULT([no])], [AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_OLD_ICONV, 1) OLD_ICONV=UnfortunatelyYes]) GIT_UNSTASH_FLAGS($ICONVDIR) GIT_CONF_SUBST([OLD_ICONV]) +# +# Define ICONV_OMITS_BOM if you are on a system which +# iconv omits bom for utf-{16,32} +if test -z "$NO_ICONV"; then +AC_CACHE_CHECK([whether iconv omits bom for utf-16 and utf-32], + [ac_cv_iconv_omits_bom], +[ +old_LIBS="$LIBS" +if test -n "$NEEDS_LIBICONV"; then + LIBS="$LIBS -liconv" +fi + +AC_RUN_IFELSE( + [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT + #include <iconv.h> + #ifdef HAVE_OLD_ICONV + typedef const char *iconv_ibp; + #else + typedef char *iconv_ibp; + #endif + ], + [[ + int v; + iconv_t conv; + char in[] = "a"; iconv_ibp pin = in; + char out[20] = ""; char *pout = out; + size_t isz = sizeof in; + size_t osz = sizeof out; + + conv = iconv_open("UTF-16", "UTF-8"); + iconv(conv, &pin, &isz, &pout, &osz); + iconv_close(conv); + v = (unsigned char)(out[0]) + (unsigned char)(out[1]); + return v != 0xfe + 0xff; + ]])], + [ac_cv_iconv_omits_bom=no], + [ac_cv_iconv_omits_bom=yes]) + +LIBS="$old_LIBS" +]) +if test "x$ac_cv_iconv_omits_bom" = xyes; then + ICONV_OMITS_BOM=Yes +else + ICONV_OMITS_BOM= +fi +GIT_CONF_SUBST([ICONV_OMITS_BOM]) +fi + ## Checks for typedefs, structures, and compiler characteristics. AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) # @@ -738,12 +874,26 @@ case $ac_cv_type_socklen_t in esac GIT_CONF_SUBST([SOCKLEN_T]) -# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent. -AC_CHECK_MEMBER(struct dirent.d_ino, -[NO_D_INO_IN_DIRENT=], -[NO_D_INO_IN_DIRENT=YesPlease], -[#include <dirent.h>]) -GIT_CONF_SUBST([NO_D_INO_IN_DIRENT]) +# +# Define NO_STRUCT_ITIMERVAL if you don't have struct itimerval. +AC_CHECK_TYPES([struct itimerval], +[NO_STRUCT_ITIMERVAL=], +[NO_STRUCT_ITIMERVAL=UnfortunatelyYes], +[#include <sys/time.h>]) +GIT_CONF_SUBST([NO_STRUCT_ITIMERVAL]) +# +# Define USE_ST_TIMESPEC=YesPlease when stat.st_mtimespec.tv_nsec exists. +# Define NO_NSEC=YesPlease when neither stat.st_mtim.tv_nsec nor +# stat.st_mtimespec.tv_nsec exists. +AC_CHECK_MEMBER([struct stat.st_mtimespec.tv_nsec]) +AC_CHECK_MEMBER([struct stat.st_mtim.tv_nsec]) +if test x$ac_cv_member_struct_stat_st_mtimespec_tv_nsec = xyes; then + USE_ST_TIMESPEC=YesPlease + GIT_CONF_SUBST([USE_ST_TIMESPEC]) +elif test x$ac_cv_member_struct_stat_st_mtim_tv_nsec != xyes; then + NO_NSEC=YesPlease + GIT_CONF_SUBST([NO_NSEC]) +fi # # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks # d_type in struct dirent (latest Cygwin -- will be fixed soonish). @@ -753,6 +903,14 @@ AC_CHECK_MEMBER(struct dirent.d_type, [#include <dirent.h>]) GIT_CONF_SUBST([NO_D_TYPE_IN_DIRENT]) # +# Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd +# in the C library. +AC_CHECK_MEMBER(struct passwd.pw_gecos, +[NO_GECOS_IN_PWENT=], +[NO_GECOS_IN_PWENT=YesPlease], +[#include <pwd.h>]) +GIT_CONF_SUBST([NO_GECOS_IN_PWENT]) +# # Define NO_SOCKADDR_STORAGE if your platform does not have struct # sockaddr_storage. AC_CHECK_TYPE(struct sockaddr_storage, @@ -775,9 +933,10 @@ AC_CHECK_TYPE([struct addrinfo],[ ]) GIT_CONF_SUBST([NO_IPV6]) # -# Define NO_REGEX if you have no or inferior regex support in your C library. -AC_CACHE_CHECK([whether the platform regex can handle null bytes], - [ac_cv_c_excellent_regex], [ +# Define NO_REGEX if your C library lacks regex support with REG_STARTEND +# feature. +AC_CACHE_CHECK([whether the platform regex supports REG_STARTEND], + [ac_cv_c_regex_with_reg_startend], [ AC_EGREP_CPP(yippeeyeswehaveit, AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT #include <regex.h> @@ -786,10 +945,10 @@ AC_EGREP_CPP(yippeeyeswehaveit, yippeeyeswehaveit #endif ]), - [ac_cv_c_excellent_regex=yes], - [ac_cv_c_excellent_regex=no]) + [ac_cv_c_regex_with_reg_startend=yes], + [ac_cv_c_regex_with_reg_startend=no]) ]) -if test $ac_cv_c_excellent_regex = yes; then +if test $ac_cv_c_regex_with_reg_startend = yes; then NO_REGEX= else NO_REGEX=YesPlease @@ -803,9 +962,9 @@ AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory], [ AC_RUN_IFELSE( [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], - [[char c; + [[ FILE *f = fopen(".", "r"); - return f && fread(&c, 1, 1, f)]])], + return f != NULL;]])], [ac_cv_fread_reads_directories=no], [ac_cv_fread_reads_directories=yes]) ]) @@ -849,6 +1008,29 @@ else SNPRINTF_RETURNS_BOGUS= fi GIT_CONF_SUBST([SNPRINTF_RETURNS_BOGUS]) +# +# Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type +# bits in mode values. +AC_CACHE_CHECK([whether the platform uses typical file type bits], + [ac_cv_sane_mode_bits], [ +AC_EGREP_CPP(yippeeyeswehaveit, + AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT], +[#if S_IFMT == 0170000 && \ + S_IFREG == 0100000 && S_IFDIR == 0040000 && S_IFLNK == 0120000 && \ + S_IFBLK == 0060000 && S_IFCHR == 0020000 && \ + S_IFIFO == 0010000 && S_IFSOCK == 0140000 +yippeeyeswehaveit +#endif +]), + [ac_cv_sane_mode_bits=yes], + [ac_cv_sane_mode_bits=no]) +]) +if test $ac_cv_sane_mode_bits = yes; then + NEEDS_MODE_TRANSLATION= +else + NEEDS_MODE_TRANSLATION=UnfortunatelyYes +fi +GIT_CONF_SUBST([NEEDS_MODE_TRANSLATION]) ## Checks for library functions. @@ -872,55 +1054,55 @@ AC_CHECK_HEADER([libcharset.h], [HAVE_LIBCHARSET_H=YesPlease], [HAVE_LIBCHARSET_H=]) GIT_CONF_SUBST([HAVE_LIBCHARSET_H]) +# +# Define HAVE_STRINGS_H if you have strings.h +AC_CHECK_HEADER([strings.h], +[HAVE_STRINGS_H=YesPlease], +[HAVE_STRINGS_H=]) +GIT_CONF_SUBST([HAVE_STRINGS_H]) # Define CHARSET_LIB if libiconv does not export the locale_charset symbol # and libcharset does CHARSET_LIB= AC_CHECK_LIB([iconv], [locale_charset], - [], + [CHARSET_LIB=-liconv], [AC_CHECK_LIB([charset], [locale_charset], [CHARSET_LIB=-lcharset])]) GIT_CONF_SUBST([CHARSET_LIB]) # +# Define HAVE_CLOCK_GETTIME=YesPlease if clock_gettime is available. +GIT_CHECK_FUNC(clock_gettime, + [HAVE_CLOCK_GETTIME=YesPlease], + [HAVE_CLOCK_GETTIME=]) +GIT_CONF_SUBST([HAVE_CLOCK_GETTIME]) + +AC_DEFUN([CLOCK_MONOTONIC_SRC], [ +AC_LANG_PROGRAM([[ +#include <time.h> +clockid_t id = CLOCK_MONOTONIC; +]])]) + +# +# Define HAVE_CLOCK_MONOTONIC=YesPlease if CLOCK_MONOTONIC is available. +AC_MSG_CHECKING([for CLOCK_MONOTONIC]) +AC_COMPILE_IFELSE([CLOCK_MONOTONIC_SRC], + [AC_MSG_RESULT([yes]) + HAVE_CLOCK_MONOTONIC=YesPlease], + [AC_MSG_RESULT([no]) + HAVE_CLOCK_MONOTONIC=]) +GIT_CONF_SUBST([HAVE_CLOCK_MONOTONIC]) +# +# Define NO_SETITIMER if you don't have setitimer. +GIT_CHECK_FUNC(setitimer, +[NO_SETITIMER=], +[NO_SETITIMER=YesPlease]) +GIT_CONF_SUBST([NO_SETITIMER]) +# # Define NO_STRCASESTR if you don't have strcasestr. GIT_CHECK_FUNC(strcasestr, [NO_STRCASESTR=], [NO_STRCASESTR=YesPlease]) GIT_CONF_SUBST([NO_STRCASESTR]) # -# Define NO_STRTOK_R if you don't have strtok_r -GIT_CHECK_FUNC(strtok_r, -[NO_STRTOK_R=], -[NO_STRTOK_R=YesPlease]) -GIT_CONF_SUBST([NO_STRTOK_R]) -# -# Define NO_FNMATCH if you don't have fnmatch -GIT_CHECK_FUNC(fnmatch, -[NO_FNMATCH=], -[NO_FNMATCH=YesPlease]) -GIT_CONF_SUBST([NO_FNMATCH]) -# -# Define NO_FNMATCH_CASEFOLD if your fnmatch function doesn't have the -# FNM_CASEFOLD GNU extension. -AC_CACHE_CHECK([whether the fnmatch function supports the FNMATCH_CASEFOLD GNU extension], - [ac_cv_c_excellent_fnmatch], [ -AC_EGREP_CPP(yippeeyeswehaveit, - AC_LANG_PROGRAM([ -#include <fnmatch.h> -], -[#ifdef FNM_CASEFOLD -yippeeyeswehaveit -#endif -]), - [ac_cv_c_excellent_fnmatch=yes], - [ac_cv_c_excellent_fnmatch=no]) -]) -if test $ac_cv_c_excellent_fnmatch = yes; then - NO_FNMATCH_CASEFOLD= -else - NO_FNMATCH_CASEFOLD=YesPlease -fi -GIT_CONF_SUBST([NO_FNMATCH_CASEFOLD]) -# # Define NO_MEMMEM if you don't have memmem. GIT_CHECK_FUNC(memmem, [NO_MEMMEM=], @@ -965,23 +1147,46 @@ GIT_CHECK_FUNC(mkdtemp, [NO_MKDTEMP=YesPlease]) GIT_CONF_SUBST([NO_MKDTEMP]) # -# Define NO_MKSTEMPS if you don't have mkstemps in the C library. -GIT_CHECK_FUNC(mkstemps, -[NO_MKSTEMPS=], -[NO_MKSTEMPS=YesPlease]) -GIT_CONF_SUBST([NO_MKSTEMPS]) -# # Define NO_INITGROUPS if you don't have initgroups in the C library. GIT_CHECK_FUNC(initgroups, [NO_INITGROUPS=], [NO_INITGROUPS=YesPlease]) GIT_CONF_SUBST([NO_INITGROUPS]) # +# Define HAVE_GETDELIM if you have getdelim in the C library. +GIT_CHECK_FUNC(getdelim, +[HAVE_GETDELIM=YesPlease], +[HAVE_GETDELIM=]) +GIT_CONF_SUBST([HAVE_GETDELIM]) +# # # Define NO_MMAP if you want to avoid mmap. # # Define NO_ICONV if your libc does not properly support iconv. +AC_DEFUN([BSD_SYSCTL_SRC], [ +AC_LANG_PROGRAM([[ +#include <stddef.h> +#include <sys/types.h> +#include <sys/sysctl.h> +]],[[ +int val, mib[2]; +size_t len; +mib[0] = CTL_HW; +mib[1] = 1; +len = sizeof(val); +return sysctl(mib, 2, &val, &len, NULL, 0) ? 1 : 0; +]])]) + +# +# Define HAVE_BSD_SYSCTL=YesPlease if a BSD-compatible sysctl function is available. +AC_MSG_CHECKING([for BSD sysctl]) +AC_COMPILE_IFELSE([BSD_SYSCTL_SRC], + [AC_MSG_RESULT([yes]) + HAVE_BSD_SYSCTL=YesPlease], + [AC_MSG_RESULT([no]) + HAVE_BSD_SYSCTL=]) +GIT_CONF_SUBST([HAVE_BSD_SYSCTL]) ## Other checks. # Define USE_PIC if you need the main git objects to be built with -fPIC @@ -996,14 +1201,19 @@ GIT_CONF_SUBST([NO_INITGROUPS]) AC_DEFUN([PTHREADTEST_SRC], [ AC_LANG_PROGRAM([[ #include <pthread.h> +static void *noop(void *ignore) { return ignore; } ]], [[ pthread_mutex_t test_mutex; pthread_key_t test_key; + pthread_t th; int retcode = 0; + void *ret = (void *)0; retcode |= pthread_key_create(&test_key, (void *)0); retcode |= pthread_mutex_init(&test_mutex,(void *)0); retcode |= pthread_mutex_lock(&test_mutex); retcode |= pthread_mutex_unlock(&test_mutex); + retcode |= pthread_create(&th, ret, noop, ret); + retcode |= pthread_join(th, &ret); return retcode; ]])]) @@ -1033,7 +1243,12 @@ elif test -z "$PTHREAD_CFLAGS"; then # would then trigger compiler warnings on every single file we compile. for opt in "" -mt -pthread -lpthread; do old_CFLAGS="$CFLAGS" - CFLAGS="$opt $CFLAGS" + old_LIBS="$LIBS" + case "$opt" in + -l*) LIBS="$opt $LIBS" ;; + *) CFLAGS="$opt $CFLAGS" ;; + esac + AC_MSG_CHECKING([for POSIX Threads with '$opt']) AC_LINK_IFELSE([PTHREADTEST_SRC], [AC_MSG_RESULT([yes]) @@ -1045,6 +1260,7 @@ elif test -z "$PTHREAD_CFLAGS"; then ], [AC_MSG_RESULT([no])]) CFLAGS="$old_CFLAGS" + LIBS="$old_LIBS" done if test $threads_found != yes; then AC_CHECK_LIB([pthread], [pthread_create], |