Make asan flags easier to add

.travis.yml

@@ -28,7 +28,7 @@ script:
 - export CFLAGS="-ggdb3 -O2"
 - echo "travis_fold:start:build_libgdiplus"
 - if [ "$TRAVIS_OS_NAME" = "linux" ]; then ./autogen.sh --prefix=/tmp/mono-dev --enable-warnaserror; fi
-- if [ "$TRAVIS_OS_NAME" = "osx" ]; then ./autogen.sh --without-x11 --prefix=/tmp/mono-dev --enable-warnaserror CC=clang CFLAGS=-fsanitize=address,signed-integer-overflow,undefined LDFLAGS=-fsanitize=address,signed-integer-overflow,undefined CXX=clang++ CXXFLAGS=-fsanitize=address,signed-integer-overflow,undefined; fi
+- if [ "$TRAVIS_OS_NAME" = "osx" ]; then ./autogen.sh --without-x11 --prefix=/tmp/mono-dev --enable-warnaserror --enable-asan; fi
 - make -j4
 - echo "travis_fold:end:build_libgdiplus"
 - /bin/sh -c 'if make check; then true; else cat ./tests/test-suite.log; exit 1; fi'

README.md

@@ -57,7 +57,7 @@ Run the following command from the root of the repository:
 
 To run the tests with Clang sanitizers, run the following command from the root of the repository:
 
-	./autogen.sh CC=clang CFLAGS=-fsanitize=address,signed-integer-overflow,undefined LDFLAGS=-fsanitize=address,signed-integer-overflow,undefined CXX=clang++ CXXFLAGS=-fsanitize=address,signed-integer-overflow,undefined
+	./autogen.sh --enable-asan
 	make check
 
 ### Installing libgdiplus

configure.ac

@@ -39,6 +39,13 @@ if test $warnaserror = "yes"; then
   GDIPLUS_CFLAGS="$GDIPLUS_CFLAGS -Werror"
 fi
 
+AC_ARG_ENABLE(asan, AS_HELP_STRING([--enable-asan],[Enable address sanitizer.]),[asan=yes],[asan=no])
+
+if test $asan = "yes"; then
+  GDIPLUS_CFLAGS="$GDIPLUS_CFLAGS -fsanitize=address,signed-integer-overflow,undefined -g -O1"
+  LDFLAGS="$LDFLAGS -fsanitize=address,signed-integer-overflow,undefined"
+fi
+
 CAIRO_LIBS="`pkg-config --libs cairo `"
 CAIRO_CFLAGS="`pkg-config --cflags cairo `"
 cairo_info="`pkg-config --modversion cairo ` (system)"