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authorMichał Kiedrowicz <michal.kiedrowicz@gmail.com>2011-05-09 21:52:06 (GMT)
committerJunio C Hamano <gitster@pobox.com>2011-05-09 23:29:46 (GMT)
commita119f91e57f23f89b1f9170613d517d62a91c97d (patch)
treefd3f3134b9ee4703d674712145cd5be7c0f9b8df /configure.ac
parent63e7e9d8b6483fed555ebed1c79a4820b2ba2558 (diff)
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configure: Check for libpcre
This patch adds checks for libpcre to configure. By default libpcre is disabled, --with-libpcre enables it (if it works). Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac40
1 files changed, 40 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index fafd815..048a1d4 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.