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authorVadim Kochan <vadim4j@gmail.com>2019-04-18 05:04:19 (GMT)
committerJunio C Hamano <gitster@pobox.com>2019-04-19 04:57:23 (GMT)
commitb71e56a68384748f2dc712471957b719513508fb (patch)
tree2884c2c3354eedce57800b814605e463e14ea61e
parentaeb582a98374c094361cba1bd756dc6307432c42 (diff)
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autoconf: #include <libintl.h> when checking for gettext()
Some libc implementations like uclibc or musl provides gettext stubs via libintl library but this case is not checked by AC_CHECK_LIB(c, gettext ...) because gcc has gettext as builtin which passess the check. So check it with included libintl.h where gettext may unfold into libintl_gettext which will cause check to fail if libintl_gettext are needed to be linked with -lintl. Signed-off-by: Vadim Kochan <vadim4j@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--configure.ac16
1 files changed, 13 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac
index e0d0da3..be3b55f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -763,9 +763,19 @@ 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])
#