summaryrefslogtreecommitdiff
path: root/configure.ac
diff options
context:
space:
mode:
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac66
1 files changed, 42 insertions, 24 deletions
diff --git a/configure.ac b/configure.ac
index 20039c546f..048a1d4972 100644
--- a/configure.ac
+++ b/configure.ac
@@ -220,6 +220,27 @@ 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 LIBPCREDIR=/foo/bar if your libpcre header and library files are in
+# /foo/bar/include and /foo/bar/lib directories.
+#
+AC_ARG_WITH(libpcre,
+AS_HELP_STRING([--with-libpcre],[support Perl-compatible regexes (default is NO)])
+AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]),
+if test "$withval" = "no"; then \
+ USE_LIBPCRE=; \
+elif test "$withval" = "yes"; then \
+ USE_LIBPCRE=YesPlease; \
+else
+ USE_LIBPCRE=YesPlease; \
+ LIBPCREDIR=$withval; \
+ AC_MSG_NOTICE([Setting LIBPCREDIR to $withval]); \
+ GIT_CONF_APPEND_LINE(LIBPCREDIR=$withval); \
+fi \
+)
+#
# 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.
@@ -435,6 +456,25 @@ AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
AC_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.
+#
+
+if test -n "$USE_LIBPCRE"; then
+
+GIT_STASH_FLAGS($LIBPCREDIR)
+
+AC_CHECK_LIB([pcre], [pcre_version],
+[USE_LIBPCRE=YesPlease],
+[USE_LIBPCRE=])
+
+GIT_UNSTASH_FLAGS($LIBPCREDIR)
+
+AC_SUBST(USE_LIBPCRE)
+
+fi
+
+#
# 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.
@@ -686,30 +726,6 @@ AC_CHECK_TYPE([struct addrinfo],[
])
AC_SUBST(NO_IPV6)
#
-# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
-# do not support the 'size specifiers' introduced by C99, namely ll, hh,
-# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
-# some C compilers supported these specifiers prior to C99 as an extension.
-AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
- [ac_cv_c_c99_format],
-[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
-AC_RUN_IFELSE(
- [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
- [[char buf[64];
- if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
- return 1;
- else if (strcmp(buf, "12345"))
- return 2;]])],
- [ac_cv_c_c99_format=yes],
- [ac_cv_c_c99_format=no])
-])
-if test $ac_cv_c_c99_format = no; then
- NO_C99_FORMAT=YesPlease
-else
- NO_C99_FORMAT=
-fi
-AC_SUBST(NO_C99_FORMAT)
-#
# 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], [
@@ -919,7 +935,9 @@ AC_LANG_PROGRAM([[
#include <pthread.h>
]], [[
pthread_mutex_t test_mutex;
+ pthread_key_t test_key;
int retcode = 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);