travis: only enable asan workaround for clang (breaks gcc)

fixes #2437

diff --git a/travis/run-tests.sh b/travis/run-tests.sh
index 7bf4b03999d1820cbf93dd0ac23e3dccac12280d..d8a40d77027e38aab69be908bdf47202a20e1cbb 100755 (executable)
--- a/travis/run-tests.sh
+++ b/travis/run-tests.sh
@@ -7,7 +7,9 @@ cd testcases
 
 # TODO: remove this workaround once https://bugs.debian.org/836723 is fixed
 # Found at https://llvm.org/bugs/show_bug.cgi?id=27310#c8:
-cat >fixasan.c <<EOT
+if [ "$CC" = "clang" ]
+then
+       cat >fixasan.c <<EOT
 void __isoc99_printf() {}
 void __isoc99_sprintf() {}
 void __isoc99_snprintf() {}
@@ -18,8 +20,9 @@ void __isoc99_vsnprintf() {}
 void __isoc99_vfprintf() {}
 void __cxa_throw() {} // NEW
 EOT
-gcc fixasan.c -o fixasan.so -fPIC -shared -nostdlib
-export LD_PRELOAD=$PWD/fixasan.so
+       gcc fixasan.c -o fixasan.so -fPIC -shared -nostdlib
+       export LD_PRELOAD=$PWD/fixasan.so
+fi
 
 # Try running the tests in parallel so that the common case (tests pass) is
 # quick, but fall back to running them in sequence to make debugging easier.