cmake rules install into /usr/lib on x86_64

[tuju]

$ rpm --eval %{_lib}
lib64
$ arch
x86_64

inside spec file

cmake \
        -D CMAKE_INSTALL_PREFIX:PATH=/usr \
        -D LIBRARY_OUTPUT_PATH:PATH=%{_lib} \
        -D OPENSYNC_DEBUG_MODULES:BOOL=ON \
        -D OPENSYNC_TRACE:BOOL=ON \
        -D OPENSYNC_UNITTESTS:BOOL=ON \
        .
make %{?_smp_mflags}
}}}}

and %{buildroot} contains

{{{
$ find /var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/ | grep "/usr/lib"
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/libopensync.so.1.0.0
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/pkgconfig
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/pkgconfig/opensync-1.0.pc
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/opensync
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/opensync/formats
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/opensync/formats/libplain.so
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/opensync/formats/libxmlformat-doc.so
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/opensync/formats/libxmlformat.so
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/opensync/formats/libfile.so
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/libopensync.so
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/libopensync.so.1
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/python
/var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/lib/python/site-packages

}}}

[tuju]

And build fails too.

-- Installing /var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/share/cmake/Modules/OpenSyncDefaults.cmake
-- Installing /var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/share/cmake/Modules/OpenSyncPlatforms.cmake
-- Installing /var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/share/cmake/Modules/OpenSyncInternal.cmake
-- Installing /var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/share/cmake/Modules/FindOpenSync.cmake
-- Installing /var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/share/cmake/Modules/OpenSyncDefaults.cmake
-- Installing /var/tmp/libopensync-0.33-0.fc6.2625svn-root-tuju/usr/share/cmake/Modules/OpenSyncPlatforms.cmake
CMake Error: Error in cmake code at
/home/tuju/PKGS/BUILD/libopensync-0.33svn2625/wrapper/cmake_install.cmake:35:
FILE INSTALL cannot find file "/home/tuju/PKGS/BUILD/libopensync-0.33svn2625/wrapper/_opensync.so" to install.
Current CMake stack: /home/tuju/PKGS/BUILD/libopensync-0.33svn2625/cmake_install.cmake;/home/tuju/PKGS/BUILD/libopensync-0.33svn2625/wrapper/cmake_install.cmake
make: *** [install] Error 255
error: Bad exit status from /var/tmp/rpm-tmp.61095 (%install)

[tuju]

relevant part of cmake_install.cmake

FILE(INSTALL DESTINATION "/usr/lib/python/site-packages" TYPE FILE FILES "/home/tuju/PKGS/BUILD/libopensync-0.33svn2625/wrapper/_opensync.so")
FILE(INSTALL DESTINATION "/usr/lib/python/site-packages" TYPE FILE FILES "/home/tuju/PKGS/BUILD/libopensync-0.33svn2625/wrapper/opensync.py")

For some reason the _opensync.so creation fails.

[tuju]

with

cmake \
        -D CMAKE_INSTALL_PREFIX:PATH=/usr \
        -D OPENSYNC_DEBUG_MODULES:BOOL=ON \
        -D OPENSYNC_TRACE:BOOL=ON \
        -D OPENSYNC_UNITTESTS:BOOL=ON \
        .

build succeeds but installs into /usr/lib.

[tuju]

with

cmake \
        -D CMAKE_INSTALL_PREFIX:PATH=/usr \
        -D LIBRARY_OUTPUT_PATH:PATH=/usr/lib \
        -D OPENSYNC_DEBUG_MODULES:BOOL=ON \
        -D OPENSYNC_TRACE:BOOL=ON \
        -D OPENSYNC_UNITTESTS:BOOL=ON \
        .

build fails with following:

[ 58%] Building C object opensync/CMakeFiles/opensync.dir/plugin/opensync_sink.o
[ 59%] Building C object opensync/CMakeFiles/opensync.dir/version/opensync_version.o
Linking C shared library /usr/lib/libopensync.so
/usr/bin/ld: cannot open output file /usr/lib/libopensync.so.1.0.0: Permission denied
collect2: ld returned 1 exit status
make[2]: *** [/usr/lib/libopensync.so.1.0.0] Error 1
make[1]: *** [opensync/CMakeFiles/opensync.dir/all] Error 2
make: *** [all] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.57892 (%build)

for some reason it tries to install during the build into real root.

[dgollub]

I guess the reason for build failure in 4 is LIBRARY_OUTPUT_PATH.

Quote from  http://www.cmake.org/Wiki/CMake_Useful_Variables

LIBRARY_OUTPUT_PATH 
 set this variable to specify a common place where CMake should put all libraries (instead of CMAKE_CURRENT_BINARY_DIR)
 SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)

As far as i understand the LIBRARY_OUTPUT_PATH variable is not about the installation destination - it's more about the build destination for the object file.

Regarding building for x86_64 and the library suffix you should use:

-DLIB_SUFFIX=64

This variable is provided by one of the OpenSync? modules already. Not quite sure if this is the common CMake way to provie this.

Let me know if this works for you.

[tuju]

using the rpm built-in macro:

%{cmake} \
        -D OPENSYNC_DEBUG_MODULES:BOOL=ON \
        -D OPENSYNC_TRACE:BOOL=ON \
        -D OPENSYNC_UNITTESTS:BOOL=ON \
        .
make %{?_smp_mflags}

solved the issue. and yes, that actually builds with

+ export FFLAGS
+ /usr/bin/cmake -DLIB_SUFFIX=64 -DCMAKE_INSTALL_PREFIX:PATH=/usr -DBUILD_SHARED_LIBS:BOOL=ON -D OPENSYNC_DEBUG_MODULES:BOOL=ON -D OPENSYNC_TRACE:BOOL=ON -D OPENSYNC_UNITTESTS:BOOL=ON .

closing.

[dgollub]

Thanks for testing!

[sim]

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