From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Seiderer Date: Sat, 12 Jan 2019 11:13:40 +0100 Subject: [Buildroot] [PATCH v2] libinput: drop C++ dependency In-Reply-To: <20190112094153.9168-1-ps.report@gmx.net> References: <20190112094153.9168-1-ps.report@gmx.net> Message-ID: <20190112111340.5d53379a@gmx.net> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net ...and suggested upstream: https://lists.freedesktop.org/archives/wayland-devel/2019-January/039813.html Regards, Peter On Sat, 12 Jan 2019 10:41:53 +0100, Peter Seiderer wrote: > The meson C++ dependency is only used for a build-time header > inclusion test, add patch dropping hard meson C++ dependency > and build the header inclusion test only in case C++ compiler > is available. > > Fixes [1]: > > The Meson build system > Version: 0.49.0 > Source dir: .../build/libinput-1.12.5 > Build dir: .../build/libinput-1.12.5/build > Build type: cross build > Project name: libinput > Project version: 1.12.5 > Native C compiler: cc (gcc 4.8.4 "cc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4") > Cross C compiler: .../host/bin/riscv64-buildroot-linux-gnu-gcc (gcc 7.4.0) > > meson.build:1:0: ERROR: Unknown compiler(s): [['.../host/bin/riscv64-buildroot-linux-gnu-g++']] > The follow exceptions were encountered: > Running ".../host/bin/riscv64-buildroot-linux-gnu-g++ --version" gave "[Errno 2] No such file or directory: '.../host/bin/riscv64-buildroot-linux-gnu-g++': '.../host/bin/riscv64-buildroot-linux-gnu-g++'" > > [1] http://autobuild.buildroot.net/results/bf4d3d360f635c3524a52b84a72d558770596ed0 > > Signed-off-by: Peter Seiderer > --- > Changes v1 -> v2: > - change patch to disable c++ header inclusion teste only in case > no c++ compiler is available (suggested by Yann E. MORIN) > --- > ...le-CPP-include-check-only-in-case-CP.patch | 49 +++++++++++++++++++ > 1 file changed, 49 insertions(+) > create mode 100644 package/libinput/0001-meson.build-enable-CPP-include-check-only-in-case-CP.patch > > diff --git a/package/libinput/0001-meson.build-enable-CPP-include-check-only-in-case-CP.patch b/package/libinput/0001-meson.build-enable-CPP-include-check-only-in-case-CP.patch > new file mode 100644 > index 0000000000..c9a0652e40 > --- /dev/null > +++ b/package/libinput/0001-meson.build-enable-CPP-include-check-only-in-case-CP.patch > @@ -0,0 +1,49 @@ > +From 57383dc900e76e65ce5e5dc95f776e086100344d Mon Sep 17 00:00:00 2001 > +From: Peter Seiderer > +Date: Sat, 12 Jan 2019 10:22:38 +0100 > +Subject: [PATCH] meson.build: enable CPP include check only in case CPP > + compiler is available > + > +Drop hard meson C++/CPP dependency, only needed for the build-time > +header inclusion test, build the test only in case C++/CPP compiler > +is available. > + > +Signed-off-by: Peter Seiderer > +--- > + meson.build | 16 +++++++++------- > + 1 file changed, 9 insertions(+), 7 deletions(-) > + > +diff --git a/meson.build b/meson.build > +index a9c7c185..8183822e 100644 > +--- a/meson.build > ++++ b/meson.build > +@@ -1,4 +1,4 @@ > +-project('libinput', 'c', 'cpp', > ++project('libinput', 'c', > + version : '1.12.5', > + license : 'MIT/Expat', > + default_options : [ 'c_std=gnu99', 'warning_level=2' ], > +@@ -641,12 +641,14 @@ executable('test-build-linker', > + include_directories : [includes_src, includes_include], > + dependencies : [ dep_libinput, dep_libinput_util ], > + install : false) > +-# test including from C++ > +-executable('test-build-cxx', > +- 'test/build-cxx.cc', > +- dependencies : [dep_udev], > +- include_directories : [includes_src, includes_include], > +- install : false) > ++# test including from C++ (in case CPP compiler is available) > ++if add_languages('cpp', required: false) > ++ executable('test-build-cxx', > ++ 'test/build-cxx.cc', > ++ dependencies : [dep_udev], > ++ include_directories : [includes_src, includes_include], > ++ install : false) > ++endif > + > + # This is the test suite runner, we allow disabling that one because of > + # dependencies > +-- > +2.20.1 > +