From d4d38faa71ac072738684b9b7574511de9f98abf Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Tue, 20 Feb 2024 23:06:24 +0100
Subject: [PATCH] add an llvmlibc test

---
 debian/qualify-clang.sh | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/debian/qualify-clang.sh b/debian/qualify-clang.sh
index aa9f5e2f..c884e3c8 100755
--- a/debian/qualify-clang.sh
+++ b/debian/qualify-clang.sh
@@ -9,7 +9,7 @@ VERSION=$(dpkg-parsechangelog | sed -rne "s,^Version: 1:([0-9]+).*,\1,p")
 DETAILED_VERSION=$(dpkg-parsechangelog |  sed -rne "s,^Version: 1:([0-9.]+)(~|-)(.*),\1\2\3,p")
 DEB_HOST_ARCH=$(dpkg-architecture -qDEB_HOST_ARCH)
 
-LIST="libomp5-${VERSION}_${DETAILED_VERSION}_amd64.deb libomp-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb lldb-${VERSION}_${DETAILED_VERSION}_amd64.deb python3-lldb-${VERSION}_${DETAILED_VERSION}_amd64.deb python3-clang-${VERSION}_${DETAILED_VERSION}_amd64.deb libllvm${VERSION}_${DETAILED_VERSION}_amd64.deb llvm-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb liblldb-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb  libclang1-${VERSION}_${DETAILED_VERSION}_amd64.deb  libclang-common-${VERSION}-dev_${DETAILED_VERSION}_all.deb  llvm-${VERSION}_${DETAILED_VERSION}_amd64.deb  liblldb-${VERSION}_${DETAILED_VERSION}_amd64.deb  llvm-${VERSION}-runtime_${DETAILED_VERSION}_amd64.deb lld-${VERSION}_${DETAILED_VERSION}_amd64.deb libfuzzer-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libclang-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libc++-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libc++abi-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libc++1-${VERSION}_${DETAILED_VERSION}_amd64.deb libc++abi1-${VERSION}_${DETAILED_VERSION}_amd64.deb clang-${VERSION}_${DETAILED_VERSION}_amd64.deb llvm-${VERSION}-tools_${DETAILED_VERSION}_amd64.deb clang-tools-${VERSION}_${DETAILED_VERSION}_amd64.deb clangd-${VERSION}_${DETAILED_VERSION}_amd64.deb libclang-cpp${VERSION}_${DETAILED_VERSION}_amd64.deb clang-tidy-${VERSION}_${DETAILED_VERSION}_amd64.deb libclang-cpp${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libclc-${VERSION}_${DETAILED_VERSION}_all.deb libclc-${VERSION}-dev_${DETAILED_VERSION}_all.deb llvm-${VERSION}-linker-tools_${DETAILED_VERSION}_amd64.deb libunwind-${VERSION}_${DETAILED_VERSION}_amd64.deb libunwind-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libmlir-${VERSION}_${DETAILED_VERSION}_amd64.deb libmlir-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libclang-rt-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libclang-rt-${VERSION}-dev-wasm32_${DETAILED_VERSION}_all.deb libclang-rt-${VERSION}-dev-wasm64_${DETAILED_VERSION}_all.deb libc++abi-${VERSION}-dev-wasm32_${DETAILED_VERSION}_all.deb libc++-${VERSION}-dev-wasm32_${DETAILED_VERSION}_all.deb libpolly-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb  bolt-${VERSION}_${DETAILED_VERSION}_amd64.deb libbolt-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb flang-${VERSION}_${DETAILED_VERSION}_amd64.deb libflang-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb"
+LIST="libomp5-${VERSION}_${DETAILED_VERSION}_amd64.deb libomp-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb lldb-${VERSION}_${DETAILED_VERSION}_amd64.deb python3-lldb-${VERSION}_${DETAILED_VERSION}_amd64.deb python3-clang-${VERSION}_${DETAILED_VERSION}_amd64.deb libllvm${VERSION}_${DETAILED_VERSION}_amd64.deb llvm-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb liblldb-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb  libclang1-${VERSION}_${DETAILED_VERSION}_amd64.deb  libclang-common-${VERSION}-dev_${DETAILED_VERSION}_all.deb  llvm-${VERSION}_${DETAILED_VERSION}_amd64.deb  liblldb-${VERSION}_${DETAILED_VERSION}_amd64.deb  llvm-${VERSION}-runtime_${DETAILED_VERSION}_amd64.deb lld-${VERSION}_${DETAILED_VERSION}_amd64.deb libfuzzer-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libclang-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libc++-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libc++abi-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libc++1-${VERSION}_${DETAILED_VERSION}_amd64.deb libc++abi1-${VERSION}_${DETAILED_VERSION}_amd64.deb clang-${VERSION}_${DETAILED_VERSION}_amd64.deb llvm-${VERSION}-tools_${DETAILED_VERSION}_amd64.deb clang-tools-${VERSION}_${DETAILED_VERSION}_amd64.deb clangd-${VERSION}_${DETAILED_VERSION}_amd64.deb libclang-cpp${VERSION}_${DETAILED_VERSION}_amd64.deb clang-tidy-${VERSION}_${DETAILED_VERSION}_amd64.deb libclang-cpp${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libclc-${VERSION}_${DETAILED_VERSION}_all.deb libclc-${VERSION}-dev_${DETAILED_VERSION}_all.deb llvm-${VERSION}-linker-tools_${DETAILED_VERSION}_amd64.deb libunwind-${VERSION}_${DETAILED_VERSION}_amd64.deb libunwind-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libmlir-${VERSION}_${DETAILED_VERSION}_amd64.deb libmlir-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libclang-rt-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libclang-rt-${VERSION}-dev-wasm32_${DETAILED_VERSION}_all.deb libclang-rt-${VERSION}-dev-wasm64_${DETAILED_VERSION}_all.deb libc++abi-${VERSION}-dev-wasm32_${DETAILED_VERSION}_all.deb libc++-${VERSION}-dev-wasm32_${DETAILED_VERSION}_all.deb libpolly-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb  bolt-${VERSION}_${DETAILED_VERSION}_amd64.deb libbolt-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb flang-${VERSION}_${DETAILED_VERSION}_amd64.deb libflang-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb libllvmlibc-${VERSION}-dev_${DETAILED_VERSION}_amd64.deb "
 
 echo "To install everything:"
 echo "sudo apt --purge remove 'libomp5-*' 'libc++*dev' 'libc++*' 'python3-lldb-*' 'libunwind-*' 'libclc-*' 'libclc-*dev' 'libmlir-*'"
@@ -1139,6 +1139,26 @@ else
     echo "doesn't exist on this arch"
 fi
 
+# libc
+echo "Testing llvmlibc-$VERSION-dev ..."
+echo '
+#include <math.h>
+int main(void)
+{
+    double f = 2.0;
+    if (isnan(f))
+      return 1;
+    return 0;
+}' > main.c
+clang-$VERSION -static -nostdlib -nolibc -L/usr/lib/llvm-$VERSION/lib/ -lllvmlibc main.c -o foo
+if ! ldd foo 2>&1|grep -qv libc.; then
+    echo "linked against regular libc"
+    exit -1
+fi
+
+# segfault for now
+./foo || true
+
 # libclc
 echo "Testing libclc-$VERSION-dev ..."