doc/examples/Makefile.am: define C and C++ compilers for CMake #41
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This prevents build failures when cross-compiling.
If we don't define the compiler, it will use the one from the host
machine. For instance "/usr/bin/c++", which is incorrect.
The failure looks like this:
.............................................................
[ 10%] Building CXX object CMakeFiles/tracepoint-provider.dir/tracepoint-provider.cpp.o
/usr/bin/c++ -Dtracepoint_provider_EXPORTS -I/br/output/build/lttng-libust-2.9.0/doc/examples/cmake-multiple-shared-libraries/. -isystem /br/output/build/lttng-libust-2.9.0/include -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -fPIC -o CMakeFiles/tracepoint-provider.dir/tracepoint-provider.cpp.o -c /br/output/build/lttng-libust-2.9.0/doc/examples/cmake-multiple-shared-libraries/tracepoint-provider.cpp
In file included from /br/output/build/lttng-libust-2.9.0/include/lttng/tracepoint.h:29:0,
from /br/output/build/lttng-libust-2.9.0/doc/examples/cmake-multiple-shared-libraries/tracepoint-provider.h:32,
from /br/output/build/lttng-libust-2.9.0/doc/examples/cmake-multiple-shared-libraries/tracepoint-provider.cpp:26:
/br/output/build/lttng-libust-2.9.0/include/lttng/tracepoint-rcu.h:26:27: fatal error: urcu/compiler.h: No such file or directory
#include <urcu/compiler.h>
^
compilation terminated.
.............................................................
Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
PSRCode
approved these changes
Nov 30, 2016
|
merged manually, thanks! |
woodsts
pushed a commit
to woodsts/buildroot
that referenced
this pull request
Nov 30, 2016
Drop sha256 hash. The combination of md5 and sha1 hashes is enough. Add a patch that fixes a build failure due to using the compiler of the host machine. The patch has been submitted as a pull request: lttng/lttng-ust#41 Release notes: https://lists.lttng.org/pipermail/lttng-dev/2016-November/026761.html Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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This prevents build failures when cross-compiling.
If we don't define the compiler, it will use the one from the host
machine. For instance "/usr/bin/c++", which is incorrect.
The failure looks like this:
.............................................................
[ 10%] Building CXX object CMakeFiles/tracepoint-provider.dir/tracepoint-provider.cpp.o
/usr/bin/c++ -Dtracepoint_provider_EXPORTS -I/br/output/build/lttng-libust-2.9.0/doc/examples/cmake-multiple-shared-libraries/. -isystem /br/output/build/lttng-libust-2.9.0/include -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -fPIC -o CMakeFiles/tracepoint-provider.dir/tracepoint-provider.cpp.o -c /br/output/build/lttng-libust-2.9.0/doc/examples/cmake-multiple-shared-libraries/tracepoint-provider.cpp
In file included from /br/output/build/lttng-libust-2.9.0/include/lttng/tracepoint.h:29:0,
from /br/output/build/lttng-libust-2.9.0/doc/examples/cmake-multiple-shared-libraries/tracepoint-provider.h:32,
from /br/output/build/lttng-libust-2.9.0/doc/examples/cmake-multiple-shared-libraries/tracepoint-provider.cpp:26:
/br/output/build/lttng-libust-2.9.0/include/lttng/tracepoint-rcu.h:26:27: fatal error: urcu/compiler.h: No such file or directory
#include <urcu/compiler.h>
^
compilation terminated.
.............................................................
Signed-off-by: Vicente Olivert Riera Vincent.Riera@imgtec.com