glibc: fix warning with glibc which requires _GNU_SOURCE for asprintf

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 6db3472322f415862bbded434b0e3e461549a1f1..8ac3ddeb9c397b4f18f7fa7d06e747406843d84a 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -4,7 +4,7 @@ check_PROGRAMS = mlmmj
 
 mlmmj_SOURCES = mlmmj.c
 
-AM_CFLAGS = -g -Wall -pedantic -Wsign-compare -DDEFAULTTEXTDIR='"@textlibdir@"' -I$(srcdir)/../include @ATF_CFLAGS@
+AM_CFLAGS = -g -Wall -std=gnu99 -D_GNU_SOURCE=1 -Wextra -pedantic -Wsign-compare -DDEFAULTTEXTDIR='"@textlibdir@"' -I$(srcdir)/../include @ATF_CFLAGS@
 mlmmj_LDADD =  $(top_builddir)/src/libmlmmj.a @ATF_LIBS@
 AM_LDFLAGS =
 if WANT_COVERAGE