11 files changed, 20 insertions, 16 deletions

diff --git a/tests/Makefile b/tests/Makefile
index 333f088..a8c7ac5 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -159,7 +159,10 @@ clang: CFLAGS+=-I../x86_64-linux-musl-native/include/
 clang: CFLAGS+=-Ix86_64-linux-musl-native/include/
 clang: CFLAGS+=-nostdinc
 clang: CXX=clang++
-clang: CXXFLAGS=$(CFLAGS)
+clang: CXXFLAGS+=-I/usr/include/x86_64-linux-musl
+clang: CXXFLAGS+=-I../x86_64-linux-musl-native/include/
+clang: CXXFLAGS+=-Ix86_64-linux-musl-native/include/
+clang: CXXFLAGS+=-nostdinc
 clang: comptime $(RUNTIME_TARGETS) cpp
 
 coverage: CFLAGS += -fprofile-arcs -ftest-coverage
diff --git a/tests/common.h b/tests/common.h
index 4c34862..6a30739 100644
--- a/tests/common.h
+++ b/tests/common.h
@@ -15,6 +15,9 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
+#define _POSIX_C_SOURCE 1
+#define _XOPEN_SOURCE 700
+
 #include <setjmp.h>
 #include <unistd.h>
 #include <signal.h>
diff --git a/tests/test_compile.c b/tests/test_compile.c
index edbbb27..b794306 100644
--- a/tests/test_compile.c
+++ b/tests/test_compile.c
@@ -12,7 +12,7 @@
 #include <sys/socket.h>
 #include <sys/stat.h>
 
-// Check that all headers are compiling.
+/* Check that all headers are compiling.*/
 int main(int argc, char** argv) {
   return 0;
 }
diff --git a/tests/test_fread_overwrite_dynamic.c b/tests/test_fread_overwrite_dynamic.c
index 74953d6..b108dc5 100644
--- a/tests/test_fread_overwrite_dynamic.c
+++ b/tests/test_fread_overwrite_dynamic.c
@@ -1,7 +1,6 @@
-#include <assert.h>
-
 #include "common.h"
 
+#include <assert.h>
 #include <stdio.h>
 
 int main(int argc, char** argv) {
diff --git a/tests/test_fread_overwrite_static.c b/tests/test_fread_overwrite_static.c
index e9de2ce..16a5e30 100644
--- a/tests/test_fread_overwrite_static.c
+++ b/tests/test_fread_overwrite_static.c
@@ -1,7 +1,6 @@
-#include <assert.h>
-
 #include "common.h"
 
+#include <assert.h>
 #include <stdio.h>
 
 int main(int argc, char** argv) {
diff --git a/tests/test_fwrite_overwrite_dynamic.c b/tests/test_fwrite_overwrite_dynamic.c
index a7f2b1b..7da64ab 100644
--- a/tests/test_fwrite_overwrite_dynamic.c
+++ b/tests/test_fwrite_overwrite_dynamic.c
@@ -1,7 +1,6 @@
-#include <assert.h>
-
 #include "common.h"
 
+#include <assert.h>
 #include <stdio.h>
 
 int main(int argc, char** argv) {
diff --git a/tests/test_fwrite_overwrite_static.c b/tests/test_fwrite_overwrite_static.c
index 492fb47..f844af8 100644
--- a/tests/test_fwrite_overwrite_static.c
+++ b/tests/test_fwrite_overwrite_static.c
@@ -1,7 +1,6 @@
-#include <assert.h>
-
 #include "common.h"
 
+#include <assert.h>
 #include <stdio.h>
 
 int main(int argc, char** argv) {
diff --git a/tests/test_getdomainname_dynamic.c b/tests/test_getdomainname_dynamic.c
index a7882ba..3c15b8e 100644
--- a/tests/test_getdomainname_dynamic.c
+++ b/tests/test_getdomainname_dynamic.c
@@ -1,6 +1,7 @@
-#include "common.h"
-
 #define _GNU_SOURCE
+#define _DEFAULT_SOURCE
+
+#include "common.h"
 
 #include <unistd.h>
 
diff --git a/tests/test_getdomainname_static.c b/tests/test_getdomainname_static.c
index a7671c4..478a274 100644
--- a/tests/test_getdomainname_static.c
+++ b/tests/test_getdomainname_static.c
@@ -1,6 +1,7 @@
-#include "common.h"
-
 #define _GNU_SOURCE
+#define _DEFAULT_SOURCE
+
+#include "common.h"
 
 #include <unistd.h>
 
diff --git a/tests/test_mbstowcs_dynamic.c b/tests/test_mbstowcs_dynamic.c
index 1465bfd..fd02ed9 100644
--- a/tests/test_mbstowcs_dynamic.c
+++ b/tests/test_mbstowcs_dynamic.c
@@ -3,7 +3,7 @@
 #include <stdlib.h>
 
 int main(int argc, char** argv) {
-  const char* mbstr = "z\u00df\u6c34\U0001f34c"; // or u8"zß水🍌"
+  const char* mbstr = "z\u00df\u6c34\U0001f34c"; /* or u8"zß水🍌" */
   wchar_t wstr[5];
   mbstowcs(wstr, mbstr, 4);
 
diff --git a/tests/test_mbstowcs_static.c b/tests/test_mbstowcs_static.c
index a15c4d6..847fcf7 100644
--- a/tests/test_mbstowcs_static.c
+++ b/tests/test_mbstowcs_static.c
@@ -3,7 +3,7 @@
 #include <stdlib.h>
 
 int main(int argc, char** argv) {
-  const char* mbstr = "z\u00df\u6c34\U0001f34c"; // or u8"zß水🍌"
+  const char* mbstr = "z\u00df\u6c34\U0001f34c"; /* or u8"zß水🍌" */
   wchar_t wstr[5];
   mbstowcs(wstr, mbstr, 4);