From: Guillem Jover <guillem@hadrons.org>
Date: Sat, 20 Feb 2021 21:23:40 +0000 (+0100)
Subject: build: Add support for sanitizer compiler flags
X-Git-Tag: 0.11.8~52
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=257800a03c6b1737c876817a25e8c4bb9258a3ee;p=thirdparty%2Flibbsd.git

build: Add support for sanitizer compiler flags
---

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 18582ed..e701dda 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 .unit-tests:
   script:
-    - ./autogen && ./configure
+    - ./autogen && ./configure --enable-sanitize
     - make check
 
 .coverage:
diff --git a/configure.ac b/configure.ac
index 4faddd0..1b7d182 100644
--- a/configure.ac
+++ b/configure.ac
@@ -101,6 +101,18 @@ AS_IF([test "$user_CFLAGS" = unset], [
   LIBBSD_CHECK_COMPILER_FLAG([-Wwrite-strings])
 
   CFLAGS="$CFLAGS $LIBBSD_COMPILER_FLAGS"
+
+  AC_ARG_ENABLE([sanitize],
+    [AS_HELP_STRING([--enable-sanitize], [enable compiler sanitizer support])],
+  [
+    LIBBSD_COMPILER_FLAGS=''
+    LIBBSD_CHECK_COMPILER_FLAG([-fsanitize=address])
+    LIBBSD_CHECK_COMPILER_FLAG([-fsanitize=leak])
+    LIBBSD_CHECK_COMPILER_FLAG([-fsanitize=undefined])
+
+    CFLAGS="$CFLAGS $LIBBSD_COMPILER_FLAGS"
+    LDFLAGS="$LDFLAGS $LIBBSD_COMPILER_FLAGS"
+  ])
 ])
 
 # Checks for libraries.