configure: add --enable-werror, --enable-sanitize

Change-Id: I089b72068c095b9c88eb72970a9e691da3673ddf
---
M configure.ac
1 file changed, 26 insertions(+), 0 deletions(-)


git pull ssh://gerrit.osmocom.org:29418/libosmo-asn1-tcap refs/changes/25/41025/1

diff --git a/configure.ac b/configure.ac
index 31a4db1..5e57145 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,6 +33,32 @@
 CFLAGS="$saved_CFLAGS"
 AC_SUBST(SYMBOL_VISIBILITY)
 
+AC_ARG_ENABLE(sanitize,
+	[AS_HELP_STRING(
+		[--enable-sanitize],
+		[Compile with address sanitizer enabled],
+	)],
+	[sanitize=$enableval], [sanitize="no"])
+if test x"$sanitize" = x"yes"
+then
+	CFLAGS="$CFLAGS -fsanitize=address -fsanitize=undefined"
+	CPPFLAGS="$CPPFLAGS -fsanitize=address -fsanitize=undefined"
+fi
+
+AC_ARG_ENABLE(werror,
+	[AS_HELP_STRING(
+		[--enable-werror],
+		[Turn all compiler warnings into errors]
+	)],
+	[werror=$enableval], [werror="no"])
+if test x"$werror" = x"yes"
+then
+	WERROR_FLAGS="-Werror"
+	WERROR_FLAGS+=" -Werror=implicit-int -Werror=int-conversion -Werror=old-style-definition"
+	CFLAGS="$CFLAGS $WERROR_FLAGS"
+	CPPFLAGS="$CPPFLAGS $WERROR_FLAGS"
+fi
+
 AC_OUTPUT(
         libosmo-asn1-tcap.pc
         src/Makefile

