From: Michael Tremer <michael.tremer@ipfire.org>
Date: Thu, 9 Dec 2021 12:29:55 +0000 (+0000)
Subject: configure: Enable -fno-semantic-interposition if possible
X-Git-Tag: 0.9.28~835
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5781c8faba03c258291f80dac21485237461a17;p=pakfire.git

configure: Enable -fno-semantic-interposition if possible

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/configure.ac b/configure.ac
index 1d0aa12d2..f1c95471c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -126,13 +126,10 @@ AS_IF([test "x$enable_analyzer" = "xyes"],
 	CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [-fanalyzer])
 )
 
-AC_SUBST([OUR_CFLAGS], $with_cflags)
-
 AS_CASE([$CFLAGS], [*-O[[12345g\ ]]*],
 	[CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
 		-Wp,-D_FORTIFY_SOURCE=2])],
 	[AC_MSG_RESULT([skipping -D_FORTIFY_SOURCE, optimization not enabled])])
-AC_SUBST([OUR_CPPFLAGS], $with_cppflags)
 
 CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\
 	-Wl,--as-needed \
@@ -140,6 +137,13 @@ CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\
 	-Wl,--gc-sections \
 	-Wl,-z,relro \
 	-Wl,-z,now])
+
+# Enable -fno-semantic-interposition (if available)
+CC_CHECK_FLAGS_APPEND([with_CFLAGS], [CFLAGS], [-fno-semantic-interposition])
+CC_CHECK_FLAGS_APPEND([with_LDFLAGS], [LDFLAGS], [-fno-semantic-interposition])
+
+AC_SUBST([OUR_CPPFLAGS], $with_cppflags)
+AC_SUBST([OUR_CFLAGS], $with_cflags)
 AC_SUBST([OUR_LDFLAGS], $with_ldflags)
 
 # Bison