From b16df34ac4413b490b28f4f66fa578c90400f7e0 Mon Sep 17 00:00:00 2001
From: Matthias Klose <doko@ubuntu.com>
Date: Tue, 10 Sep 2024 08:00:07 +0200
Subject: [PATCH]   * debian/qualify-clang.sh: Skip llvmlibc test, if
 libomp-dev is not available.

---
 debian/changelog        |  6 ++++++
 debian/qualify-clang.sh | 22 +++++++++++++---------
 2 files changed, 19 insertions(+), 9 deletions(-)

diff --git a/debian/changelog b/debian/changelog
index 549ad5b4..412a5b9c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+llvm-toolchain-19 (1:19.1.0~++rc4-6) UNRELEASED; urgency=medium
+
+  * debian/qualify-clang.sh: Skip llvmlibc test, if libomp-dev is not available.
+
+ -- Matthias Klose <doko@debian.org>  Tue, 10 Sep 2024 07:59:17 +0200
+
 llvm-toolchain-19 (1:19.1.0~++rc4-5) unstable; urgency=medium
 
   * Move the libLLVM.so.1 symlink into llvm-19-dev. Closes: #1081192.
diff --git a/debian/qualify-clang.sh b/debian/qualify-clang.sh
index 56a45b95..11ed6ce4 100755
--- a/debian/qualify-clang.sh
+++ b/debian/qualify-clang.sh
@@ -1139,8 +1139,9 @@ else
 fi
 
 # libc
-echo "Testing llvmlibc-$VERSION-dev ..."
-echo '
+if dpkg -l libllvmlibc-$VERSION-dev >/dev/null 2>&1; then
+    echo "Testing llvmlibc-$VERSION-dev ..."
+    echo '
 #include <math.h>
 int main(void)
 {
@@ -1149,14 +1150,17 @@ int main(void)
       return 1;
     return 0;
 }' > main.c
-clang-$VERSION -static -nostdlib -nolibc -L/usr/lib/llvm-$VERSION/lib/ -lllvmlibc main.c -o foo
-if ! ldd foo 2>&1|grep -qv libc.; then
-    echo "linked against regular libc"
-    exit -1
-fi
+    clang-$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
+    # segfault for now
+    ./foo || true
+else
+    echo "libllvmlibc check skipped, no libllvmlibc-$VERSION-dev available."
+endif
 
 # libclc
 echo "Testing libclc-$VERSION-dev ..."