systemd/SOURCES/0816-fuzz-don-t-panic-without-a-C-compiler.patch

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2024-10-04 13:28:39 +00:00
From b327fbd6f262d2bbf2f20136d94a8edd28e43be8 Mon Sep 17 00:00:00 2001
From: Frantisek Sumsal <frantisek@sumsal.cz>
Date: Wed, 15 Nov 2023 11:41:45 +0100
Subject: [PATCH] fuzz: don't panic without a C++ compiler
meson's `cpp_args` option is defined only if it detects a C++ compiler,
otherwise we get an error:
../test/fuzz/meson.build:56:28: ERROR: Tried to access unknown option 'cpp_args'.
[fsumsal]: make the RHS of the c_args/cpp_args expressions lists as
well, since it's a meson 0.60.0 feature (we ship 0.63.3 in RHEL 9 ATTOW,
but our baseline is 0.53.2, so meson rightfully complains about it;
bumping it would require several other commits to be pulled in as well
with lots of conflicts)
(cherry picked from commit a3d3bf559c9789c8abe96d931fc5d3f109886db9)
Related: RHEL-30372
---
test/fuzz/meson.build | 12 ++++++++++--
tools/meson-build.sh | 2 +-
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/test/fuzz/meson.build b/test/fuzz/meson.build
index 813c2cfb8b..8637c66458 100644
--- a/test/fuzz/meson.build
+++ b/test/fuzz/meson.build
@@ -31,6 +31,14 @@ endforeach
############################################################
+
+fuzz_c_args = get_option('c_args')
+if cxx_cmd != ''
+ fuzz_cpp_args = get_option('cpp_args')
+else
+ fuzz_cpp_args = []
+endif
+
sanitize_address_undefined = custom_target(
'sanitize-address-undefined-fuzzers',
output : 'sanitize-address-undefined-fuzzers',
@@ -38,8 +46,8 @@ sanitize_address_undefined = custom_target(
project_source_root,
'@OUTPUT@',
'fuzzers',
- ' '.join(get_option('c_args') + '-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION'),
- ' '.join(get_option('cpp_args') + '-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION'),
+ ' '.join(fuzz_c_args + ['-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION']),
+ ' '.join(fuzz_cpp_args + ['-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION']),
'-Dfuzz-tests=true -Db_lundef=false -Db_sanitize=address,undefined --optimization=@0@ @1@ -Dskip-deps=@2@'.format(
get_option('optimization'),
get_option('werror') ? '--werror' : '',
diff --git a/tools/meson-build.sh b/tools/meson-build.sh
index 311b778f0a..2366df23f9 100755
--- a/tools/meson-build.sh
+++ b/tools/meson-build.sh
@@ -9,7 +9,7 @@ c_args="${4:?}"
cpp_args="${5:?}"
options="${6:?}"
CC="${7:?}"
-CXX="${8:?}"
+CXX="$8"
if [ ! -f "$builddir/build.ninja" ]; then
# shellcheck disable=SC2086