D18960: Add compile check to FindEGL

[Ben Cooksley]

bcooksley added a comment.


    /usr/local/bin/gmake -f CMakeFiles/cmTC_fd24d.dir/build.make CMakeFiles/cmTC_fd24d.dir/build
    gmake[1]: Entering directory '/usr/home/jenkins/kwayland/build/CMakeFiles/CMakeTmp'
    Building CXX object CMakeFiles/cmTC_fd24d.dir/src.cxx.o
    /usr/bin/c++   -I/usr/local/include/EGL  -DHAVE_EGL   -o CMakeFiles/cmTC_fd24d.dir/src.cxx.o -c /usr/home/jenkins/kwayland/build/CMakeFiles/CMakeTmp/src.cxx
    /usr/home/jenkins/kwayland/build/CMakeFiles/CMakeTmp/src.cxx:2:10: fatal error: 'EGL/egl.h' file not found
    #include <EGL/egl.h>
             ^~~~~~~~~~~
    1 error generated.
    gmake[1]: *** [CMakeFiles/cmTC_fd24d.dir/build.make:66: CMakeFiles/cmTC_fd24d.dir/src.cxx.o] Error 1
    gmake[1]: Leaving directory '/usr/home/jenkins/kwayland/build/CMakeFiles/CMakeTmp'
    gmake: *** [Makefile:121: cmTC_fd24d/fast] Error 2
  
  The real issue here appears to be that PkgConfig information on include paths is being ignored by CMake (because it's right there):
  
    [jenkins at freebsd-node1 ~/kwayland/build]$ cat CMakeCache.txt  | grep -i EGL
    EGL_INCLUDE_DIR:PATH=/usr/local/include/EGL
    EGL_LIBRARY:FILEPATH=/usr/local/lib/libEGL.so
    KF5WaylandServer_LIB_DEPENDS:STATIC=general;Qt5::Gui;general;Wayland::Server;general;EGL::EGL;general;Qt5::Concurrent;
    pkgcfg_lib_PKG_EGL_EGL:FILEPATH=/usr/local/lib/libEGL.so
    //ADVANCED property for variable: EGL_INCLUDE_DIR
    EGL_INCLUDE_DIR-ADVANCED:INTERNAL=1
    //ADVANCED property for variable: EGL_LIBRARY
    EGL_LIBRARY-ADVANCED:INTERNAL=1
    //ADVANCED property for variable: HAVE_EGL
    HAVE_EGL-ADVANCED:INTERNAL=1
    //Test HAVE_EGL
    HAVE_EGL:INTERNAL=
    PKG_EGL_CFLAGS:INTERNAL=-I/usr/local/include;-I/usr/local/include/libdrm;-D_THREAD_SAFE;-pthread
    PKG_EGL_CFLAGS_I:INTERNAL=
    PKG_EGL_CFLAGS_OTHER:INTERNAL=-D_THREAD_SAFE;-pthread
    PKG_EGL_FOUND:INTERNAL=1
    PKG_EGL_INCLUDEDIR:INTERNAL=/usr/local/include
    PKG_EGL_INCLUDE_DIRS:INTERNAL=/usr/local/include;/usr/local/include/libdrm
    PKG_EGL_LDFLAGS:INTERNAL=-L/usr/local/lib;-lEGL
    PKG_EGL_LDFLAGS_OTHER:INTERNAL=
    PKG_EGL_LIBDIR:INTERNAL=/usr/local/lib
    PKG_EGL_LIBRARIES:INTERNAL=EGL
    PKG_EGL_LIBRARY_DIRS:INTERNAL=/usr/local/lib
    PKG_EGL_LIBS:INTERNAL=
    PKG_EGL_LIBS_L:INTERNAL=
    PKG_EGL_LIBS_OTHER:INTERNAL=
    PKG_EGL_LIBS_PATHS:INTERNAL=
    PKG_EGL_PREFIX:INTERNAL=/usr/local
    PKG_EGL_STATIC_CFLAGS:INTERNAL=-I/usr/local/include;-I/usr/local/include/libdrm;-D_THREAD_SAFE;-pthread
    PKG_EGL_STATIC_CFLAGS_I:INTERNAL=
    PKG_EGL_STATIC_CFLAGS_OTHER:INTERNAL=-D_THREAD_SAFE;-pthread
    PKG_EGL_STATIC_INCLUDE_DIRS:INTERNAL=/usr/local/include;/usr/local/include/libdrm
    PKG_EGL_STATIC_LDFLAGS:INTERNAL=-L/usr/local/lib;-lEGL;-lm;-lpthread;-pthread;-L/usr/local/lib;-ldrm;-lX11;-pthread;-L/usr/local/lib;-lxcb;-pthread;-lXau;-L/usr/local/lib;-lX11;-pthread;-L/usr/local/lib;-lxcb;-pthread;-lXau;-lXdamage;-L/usr/local/lib;-lX11;-pthread;-L/usr/local/lib;-lxcb;-pthread;-lXau;-L/usr/local/lib;-lX11;-pthread;-L/usr/local/lib;-lxcb;-pthread;-lXau;-L/usr/local/lib;-lX11;-pthread;-L/usr/local/lib;-lxcb;-pthread;-lXau;-lXfixes;-L/usr/local/lib;-pthread;-L/usr/local/lib;-lxcb;-pthread;-lXau;-lX11-xcb;-lX11;-pthread;-L/usr/local/lib;-pthread;-lXau;-pthread;-lXau;-lxcb;-pthread;-lXau;-lxcb-glx;-L/usr/local/lib;-lxcb;-pthread;-lXau;-lxcb-dri2;-L/usr/local/lib;-lxcb;-pthread;-lXau;-lXxf86vm;-L/usr/local/lib;-lX11;-pthread;-L/usr/local/lib;-lxcb;-pthread;-lXau;-lXext;-L/usr/local/lib;-lX11;-pthread;-L/usr/local/lib;-lxcb;-pthread;-lXau;-lXdmcp
    PKG_EGL_STATIC_LDFLAGS_OTHER:INTERNAL=-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread;-pthread
    PKG_EGL_STATIC_LIBDIR:INTERNAL=
    PKG_EGL_STATIC_LIBRARIES:INTERNAL=EGL;m;pthread;drm;X11;xcb;Xau;X11;xcb;Xau;Xdamage;X11;xcb;Xau;X11;xcb;Xau;X11;xcb;Xau;Xfixes;xcb;Xau;X11-xcb;X11;Xau;Xau;xcb;Xau;xcb-glx;xcb;Xau;xcb-dri2;xcb;Xau;Xxf86vm;X11;xcb;Xau;Xext;X11;xcb;Xau;Xdmcp
    PKG_EGL_STATIC_LIBRARY_DIRS:INTERNAL=/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib;/usr/local/lib
    PKG_EGL_STATIC_LIBS:INTERNAL=
    PKG_EGL_STATIC_LIBS_L:INTERNAL=
    PKG_EGL_STATIC_LIBS_OTHER:INTERNAL=
    PKG_EGL_STATIC_LIBS_PATHS:INTERNAL=
    PKG_EGL_VERSION:INTERNAL=18.3.2
    PKG_EGL_egl_INCLUDEDIR:INTERNAL=
    PKG_EGL_egl_LIBDIR:INTERNAL=
    PKG_EGL_egl_PREFIX:INTERNAL=
    PKG_EGL_egl_VERSION:INTERNAL=
    __pkg_config_arguments_PKG_EGL:INTERNAL=QUIET;egl
    __pkg_config_checked_PKG_EGL:INTERNAL=1

REPOSITORY
  R240 Extra CMake Modules

REVISION DETAIL
  https://phabricator.kde.org/D18960

To: hausmann, vkrause, apol
Cc: bcooksley, tcberner, kossebau, kde-frameworks-devel, kde-buildsystem, michaelh, ngraham, bruns
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