HACK investigate macos build failure

.github/workflows/compile.yml

@@ -26,44 +26,6 @@ env:
   LDFLAGS_OSX: -L/usr/local/opt/[email protected]/lib
 
 jobs:
-  Ubuntu:
-    name: Ubuntu
-    # Ubuntu 16.04 comes with valgrind-3.11, which can't handle RDRAND
-    # instructions.  We need at least Ubuntu 18.04, which has valgrind-3.13.
-    runs-on: ubuntu-18.04
-    steps:
-    - name: Update apt-get
-      run: sudo apt-get update
-    - name: Install software
-      run: sudo apt-get install --no-install-recommends valgrind
-    - name: Checkout code
-      uses: actions/checkout@v2
-    - name: Compile with clang
-      env:
-        CC: clang-9
-        CFLAGS: ${{ env.CFLAGS_ALL }}
-                ${{ env.CFLAGS_CLANG_LIBCPERCIVA }}
-                ${{ env.CFLAGS_CLANG_PROJECT }}
-      run: make
-    - name: Test clang binaries
-      env:
-        USE_VALGRIND: 1
-      run: make test
-    - name: Clean
-      run: make clean
-    - name: Compile with gcc
-      env:
-        CC: gcc-10
-        CFLAGS: ${{ env.CFLAGS_ALL }}
-                ${{ env.CFLAGS_GCC_LIBCPERCIVA }}
-                ${{ env.CFLAGS_GCC_PROJECT }}
-      run: make
-    - name: Test gcc binaries
-      env:
-        USE_VALGRIND: 1
-      run: make test
-    - name: Check for untracked files
-      run: test -z "$(git status --porcelain=v1)"
   macOS:
     name: macOS
     runs-on: macOS-11

Makefile

@@ -109,6 +109,7 @@ apisupport-config.h:
 	else								\
 		:;							\
 	fi > $@
+	exit 1
 
 cpusupport-config.h:
 	if [ -d ${LIBCPERCIVA_DIR}/cpusupport/ ]; then			\

apisupport/Build/apisupport.sh

@@ -29,7 +29,8 @@ feature() {
 	for API_CFLAGS in "$@"; do
 		if ${CC} ${CFLAGS} ${CFLAGS_HARDCODED} ${API_CFLAGS}	\
 		    "${feature_filename}" ${LADD_EXTRA} ${EXTRALIB}	\
-		    2>/dev/null; then
+		    ; then
+		    #2>/dev/null; then
 			rm -f a.out
 			break;
 		fi