From: Peter Korsgaard <peter@korsgaard.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 1/1] pkg-cmake.mk: fix host ccache support for CMake 3.19
Date: Tue, 22 Dec 2020 09:29:25 +0100 [thread overview]
Message-ID: <87im8umefu.fsf@dell.be.48ers.dk> (raw)
In-Reply-To: <20201212225224.117940-1-bernd.amend@gmail.com> (Bernd Amend's message of "Sat, 12 Dec 2020 23:52:24 +0100")
>>>>> "Bernd" == Bernd Amend <bernd.amend@gmail.com> writes:
> Starting with CMake 3.4 CMake supports setting a compiler launcher
> like ccache. The feature is described in
> https://cmake.org/cmake/help/latest/variable/CMAKE_LANG_COMPILER_LAUNCHER.html
> This should be safe since everything is built for the host using make or ninja.
> The use of *_ARG1 is discouraged by the cmake developers
> https://cmake-developers.cmake.narkive.com/OTa9EKfj/cmake-c-compiler-arg-not-documented .
> Without this patch I get the following error message with CMake 3.19.1 on Arch Linux.
> Disabling BR2_CCACHE also resolves the issue.
> /usr/bin/cmake [~]/buildroot/build/host-lzo-2.10/ -DCMAKE_INSTALL_SO_NO_EXE=0 -DCMAKE_FIND_ROOT_PATH="[...]" -DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM="BOTH" -DCMAKE_FIND_ROOT_P
> ATH_MODE_LIBRARY="BOTH" -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE="BOTH" -DCMAKE_INSTALL_PREFIX="[...]" -DCMAKE_C_FLAGS="-O2 -I[...]/include" -DCMAKE_CXX_FLAGS="-O2 -I[...]/include" -DCMAKE_EXE_LINKER_FLAGS="-L[...]/lib -Wl,-rpath,[...]/lib" -DCMAKE_SHARED_LINKER_FLAGS="-L[...]/l
> ib -Wl,-rpath,[...]/lib" -DCMAKE_ASM_COMPILER="/usr/bin/as" -DCMAKE_C_COMPILER="[...]/bin/ccache" -DCMAKE_CXX_COMPILER="[...]/bin/ccache"
> -DCMAKE_C_COMPILER_ARG1="/usr/bin/gcc" -DCMAKE_CXX_COMPILER_ARG1="/usr/bin/g++" -DCMAKE_COLOR_MAKEFILE=OFF -DBUILD_DOC=OFF -DBUILD_DOCS=OFF -DBUILD_EXAMPLE=OFF -DBUILD_EXAMPLES=OFF -DBUILD_TEST=OFF -DBUILD_TESTS=OFF -DBUILD_TESTING=O
> FF -DENABLE_SHARED=ON -DENABLE_STATIC=OFF )
> -- The C compiler identification is unknown
> -- Detecting C compiler ABI info
> -- Detecting C compiler ABI info - failed
> -- Check for working C compiler: [...]/bin/ccache
> -- Check for working C compiler: [...]/bin/ccache - broken
> CMake Error at /usr/share/cmake-3.19/Modules/CMakeTestCCompiler.cmake:66 (message):
> The C compiler
> Signed-off-by: Bernd Amend <bernd.amend@gmail.com>
Committed to 2020.02.x, 2020.08.x and 2020.11.x, thanks.
--
Bye, Peter Korsgaard
prev parent reply other threads:[~2020-12-22 8:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-12 22:52 [Buildroot] [PATCH 1/1] pkg-cmake.mk: fix host ccache support for CMake 3.19 Bernd Amend
2020-12-13 21:56 ` Yann E. MORIN
2020-12-15 10:59 ` Yegor Yefremov
2020-12-16 9:12 ` Christian Stewart
2020-12-17 21:27 ` Yann E. MORIN
2020-12-22 8:29 ` Peter Korsgaard [this message]
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