stdenv: make -nostdinc work as intended

Right now we add glibc to search path also -nostdinc was provided,
which breaks projects providing their own gcc.

1 files changed, 1 insertions, 0 deletions

diff --git a/pkgs/test/cc-wrapper/stdio.h b/pkgs/test/cc-wrapper/stdio.h
new file mode 100644
index 00000000000..4bddf1d9d48
--- /dev/null
+++ b/pkgs/test/cc-wrapper/stdio.h
@@ -0,0 +1 @@
+static void foo(void) {}