0002-configure-fix-uuid-support-detection-on-static-build.patch
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From 670d0961a823df0db28f39a354430f3dc2519418 Mon Sep 17 00:00:00 2001
From: Samuel Martin <s.martin49@gmail.com>
Date: Sat, 28 May 2016 12:53:33 +0200
Subject: [PATCH] configure: fix uuid support detection on static build
This change adds uuid support detection using pkg-config, before falling
back on default AC_CHECK_LIB calls.
Using flags from pkg-config is useful for static build, because they
also include dependency flags; whereas
AC_CHECK_LIB function achieves its test by trying to link against the
requested library, without taking care of its dependency
requirements/flags. Therefore, in case of static build, it can fail on
the uuid detection like [1], because the uuid's dependency flags
(regarding gettext) are missing.
Instead, using pkg-config to do the check will take care of getting and
setting all required flags.
This change adds uuid detection using pkg-config helper before falling
back on the standard AC_CHECK_LIB detection for platforms missing
pkg-config.
This issue [1] has been triggered on Buildroot farms.
[1] http://autobuild.buildroot.net/results/43b/43b98ddf9eb44152ed9ac4a98d887af14831d8da/build-end.log
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
---
configure.ac | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/configure.ac b/configure.ac
index 632fe39..b344fa8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,6 +65,15 @@ esac
AM_CONDITIONAL([BABELTRACE_BUILD_WITH_MINGW], [test "x$MINGW32" = "xyes"])
# Check for libuuid
+PKG_CHECK_MODULES([UUID], [uuid],
+[
+ LIBS="${UUID_LIBS} ${LIBS}"
+ CFLAGS="${CFLAGS} ${UUID_CFLAGS}"
+ AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_LIBUUID], 1, [Has libuuid support.])
+ have_libuuid=yes
+],
+[
+# try detecting libuuid without pkg-config
AC_CHECK_LIB([uuid], [uuid_generate],
[
AC_DEFINE_UNQUOTED([BABELTRACE_HAVE_LIBUUID], 1, [Has libuuid support.])
@@ -83,6 +92,7 @@ AC_CHECK_LIB([uuid], [uuid_generate],
AC_MSG_ERROR([Cannot find libuuid uuid_generate nor libc uuid_create. Use [LDFLAGS]=-Ldir to specify their location.])
fi
])
+])
]
)
AM_CONDITIONAL([BABELTRACE_BUILD_WITH_LIBUUID], [test "x$have_libuuid" = "xyes"])
--
2.8.3