sys-libs/netbsd-csu: Add a self-test phase

diff --git a/sys-libs/netbsd-csu/netbsd-csu-7.1.ebuild b/sys-libs/netbsd-csu/netbsd-csu-7.1.ebuild
index 9586ae34bedcd72b3760dd51cdd69a27262bcc3c..bacdd60d24fa7efcb4c3af8d48a5725c87bf02a6 100644 (file)
--- a/sys-libs/netbsd-csu/netbsd-csu-7.1.ebuild
+++ b/sys-libs/netbsd-csu/netbsd-csu-7.1.ebuild
@@ -59,6 +59,70 @@ multilib_src_compile() {
        bsdmk_src_compile "${opts[@]}"
 }
 
+multilib_src_test() {
+       local cc=(
+               # -B sets prefix for internal gcc/clang file lookup
+               $(tc-getCC) -B"${BUILD_DIR}"
+       )
+
+       # 1. figure out the correct location for crt* files
+       if tc-is-gcc; then
+               # gcc requires crt*.o in multi-dir
+               local multidir=$("${cc[@]}" -print-multi-directory)
+               if [[ ${multidir} != . ]]; then
+                       ln -s . "${multidir}" || die
+               fi
+       elif tc-is-clang; then
+               # clang is entirely happy with crt*.o in -B
+               :
+       else
+               eerror "Unsupported compiler for tests ($(tc-getCC))"
+               return
+       fi
+
+       # 2. verify that the compiler can use our crtbegin/crtend
+       local crtbegin=$("${cc[@]}" -print-file-name=crtbegin.o) || die
+       local crtend=$("${cc[@]}" -print-file-name=crtend.o) || die
+       if [[ ! ${crtbegin} -ef ${BUILD_DIR}/crtbegin.o ]]; then
+               die "Compiler uses wrong crtbegin: ${crtbegin}"
+       fi
+       if [[ ! ${crtend} -ef ${BUILD_DIR}/crtend.o ]]; then
+               die "Compiler uses wrong crtend: ${crtend}"
+       fi
+
+       cat > hello.c <<-EOF || die
+               #include <stdio.h>
+
+               __attribute__((constructor))
+               static void ctor_test()
+               {
+                       fputs("ctor:", stdout);
+               }
+
+               __attribute__((destructor))
+               static void dtor_test()
+               {
+                       fputs(":dtor", stdout);
+               }
+
+               int main()
+               {
+                       fputs("main", stdout);
+                       return 0;
+               }
+       EOF
+
+       emake -f /dev/null CC="${cc[*]}" hello
+
+       local out=$(./hello) || die
+       if [[ ${out} != ctor:main:dtor ]]; then
+               eerror "Invalid output from the test case."
+               eerror "  Expected: ctor:main:dtor"
+               eerror "  Output  : ${out}"
+               die "Test failed for ${ABI:-${ARCH}}"
+       fi
+}
+
 multilib_src_install() {
        dolib crtbegin.o crtbeginS.o crtend.o
        dosym crtbegin.o "/usr/$(get_libdir)/crtbeginT.o"