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From: "Alexis Lothoré via buildroot" <buildroot@buildroot.org>
To: buildroot@buildroot.org
Cc: "Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
	"Alexis Lothoré" <alexis.lothore@bootlin.com>
Subject: [Buildroot] [PATCH] package/openscap: set dependency on C++ support
Date: Mon, 16 Feb 2026 10:40:42 +0100	[thread overview]
Message-ID: <20260216-openscap_cpp-v1-1-3372149da5b0@bootlin.com> (raw)

When the toolchain involved in openscap build does not support C++, the
configure step fails with the following error:

  -- Detecting CXX compiler ABI info
  -- Detecting CXX compiler ABI info - failed
  -- Check for working CXX compiler: /bin/false
  -- Check for working CXX compiler: /bin/false - broken
  CMake Error at /usr/share/cmake/Modules/CMakeTestCXXCompiler.cmake:73 (message):
    The C++ compiler

      "/bin/false"

    is not able to compile a simple test program.

    It fails with the following output:

      Change Dir: '/home/autobuild/autobuild/instance-6/output-1/build/openscap-1.3.12/buildroot-build/CMakeFiles/CMakeScratch/TryCompile-tUydqI'

      Run Build Command(s): /usr/bin/cmake -E env VERBOSE=1 /usr/bin/make -f Makefile cmTC_1834b/fast
      make[1]: Entering directory '/home/autobuild/autobuild/instance-6/output-1/build/openscap-1.3.12/buildroot-build/CMakeFiles/CMakeScratch/TryCompile-tUydqI'
      /usr/bin/make  -f CMakeFiles/cmTC_1834b.dir/build.make CMakeFiles/cmTC_1834b.dir/build
      make[2]: Entering directory '/home/autobuild/autobuild/instance-6/output-1/build/openscap-1.3.12/buildroot-build/CMakeFiles/CMakeScratch/TryCompile-tUydqI'
      Building CXX object CMakeFiles/cmTC_1834b.dir/testCXXCompiler.cxx.o
      /bin/false    -o CMakeFiles/cmTC_1834b.dir/testCXXCompiler.cxx.o -c /home/autobuild/autobuild/instance-6/output-1/build/openscap-1.3.12/buildroot-build/CMakeFiles/CMakeScratch/TryCompile-tUydqI/testCXXCompiler.cxx
      make[2]: *** [CMakeFiles/cmTC_1834b.dir/build.make:81: CMakeFiles/cmTC_1834b.dir/testCXXCompiler.cxx.o] Error 1
      make[2]: Leaving directory '/home/autobuild/autobuild/instance-6/output-1/build/openscap-1.3.12/buildroot-build/CMakeFiles/CMakeScratch/TryCompile-tUydqI'
      make[1]: *** [Makefile:134: cmTC_1834b/fast] Error 2
      make[1]: Leaving directory '/home/autobuild/autobuild/instance-6/output-1/build/openscap-1.3.12/buildroot-build/CMakeFiles/CMakeScratch/TryCompile-tUydqI'

    CMake will not be able to correctly generate this project.
  Call Stack (most recent call first):
    CMakeLists.txt:11 (project)

  -- Configuring incomplete, errors occurred!
  make: *** [package/pkg-generic.mk:263: /home/autobuild/autobuild/instance-6/output-1/build/openscap-1.3.12/.stamp_configured] Error 1
  make: Leaving directory '/home/autobuild/autobuild/instance-6/buildroot'

Make openscap depend on proper C++ support.

Fixes: https://autobuild.buildroot.org/results/1fe550ffa79f0a083a450ae03fe067a8ab7336be
Fixes: https://autobuild.buildroot.org/results/e9d52b52658544916022050c78dcb137ca6c97e0
Fixes: https://autobuild.buildroot.org/results/4a9c21763aaddb217ee5f8bb8947faad9767baa3
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
---
 package/openscap/Config.in | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/package/openscap/Config.in b/package/openscap/Config.in
index 317055c75327..375fcacc2d05 100644
--- a/package/openscap/Config.in
+++ b/package/openscap/Config.in
@@ -2,6 +2,7 @@ config BR2_PACKAGE_OPENSCAP
 	bool "openscap"
 	depends on BR2_PACKAGE_LIBGPG_ERROR_ARCH_SUPPORTS  # libgcrypt
 	depends on !BR2_STATIC_LIBS # dlfcn.h
+	depends on BR2_INSTALL_LIBSTDCPP
 	select BR2_PACKAGE_LIBCURL
 	# In theory should build without crypto, but in practice it
 	# doesn't: https://github.com/OpenSCAP/openscap/issues/2310
@@ -19,6 +20,6 @@ config BR2_PACKAGE_OPENSCAP
 	  https://www.open-scap.org/
 	  https://github.com/OpenSCAP/openscap
 
-comment "openscap needs a toolchain w/ dynamic library"
+comment "openscap needs a toolchain w/ C++, dynamic library"
 	depends on BR2_PACKAGE_LIBGPG_ERROR_ARCH_SUPPORTS
-	depends on BR2_STATIC_LIBS
+	depends on BR2_STATIC_LIBS || !BR2_INSTALL_LIBSTDCPP

---
base-commit: 78d38d9ddda81d7c6bff9b520656fe4f46f0f692
change-id: 20260216-openscap_cpp-5e4035d7dbf8

Best regards,
-- 
Alexis Lothoré <alexis.lothore@bootlin.com>

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             reply	other threads:[~2026-02-16  9:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-16  9:40 Alexis Lothoré via buildroot [this message]
2026-02-16  9:56 ` [Buildroot] [PATCH] package/openscap: set dependency on C++ support Thomas Petazzoni via buildroot
2026-02-16 12:59   ` Alexis Lothoré via buildroot
2026-02-16 14:23     ` Thomas Petazzoni via buildroot

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