extra/gflags: Alpine package ported to QNX

[nnarayanamurthy]

No description provided.

[taang-qnx]

x86_64 min image dated 8-Dec-2025 had the following error. Need to add libc++-dev

CMake Error at /usr/share/cmake/Modules/CMakeTestCXXCompiler.cmake:73 (message):
  The C++ compiler

    "/usr/bin/c++"

  is not able to compile a simple test program.

  It fails with the following output:

    Change Dir: '/var/home/qnx/aports/extra/gflags/src/gflags-2.2.2/build/CMakeFiles/CMakeScratch/TryCompile-1fPIAX'
    
    Run Build Command(s): /usr/bin/ninja -v cmTC_ba033
    [1/2] /usr/bin/c++   -Os -fstack-clash-protection -Wformat -Werror=format-security -D_GLIBCXX_ASSERTIONS=1 -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS=1 -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST -MD -MT CMakeFiles/cmTC_ba033.dir/testCXXCompiler.cxx.o -MF CMakeFiles/cmTC_ba033.dir/testCXXCompiler.cxx.o.d -o CMakeFiles/cmTC_ba033.dir/testCXXCompiler.cxx.o -c /var/home/qnx/aports/extra/gflags/src/gflags-2.2.2/build/CMakeFiles/CMakeScratch/TryCompile-1fPIAX/testCXXCompiler.cxx
    c++: warning: argument unused during compilation: '-fstack-clash-protection' [-Wunused-command-line-argument]
    [2/2] : && /usr/bin/c++ -Os -fstack-clash-protection -Wformat -Werror=format-security -D_GLIBCXX_ASSERTIONS=1 -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS=1 -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST -Wl,--as-needed,-O1,--sort-common CMakeFiles/cmTC_ba033.dir/testCXXCompiler.cxx.o -o cmTC_ba033   && :
    FAILED: [code=1] cmTC_ba033 
    : && /usr/bin/c++ -Os -fstack-clash-protection -Wformat -Werror=format-security -D_GLIBCXX_ASSERTIONS=1 -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS=1 -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST -Wl,--as-needed,-O1,--sort-common CMakeFiles/cmTC_ba033.dir/testCXXCompiler.cxx.o -o cmTC_ba033   && :
    /usr/bin/ld: cannot find -lc++: No such file or directory
    c++: error: linker command failed with exit code 1 (use -v to see invocation)
    ninja: build stopped: subcommand failed.
    
    



  CMake will not be able to correctly generate this project.
Call Stack (most recent call first):
  CMakeLists.txt:97 (project)


-- Configuring incomplete, errors occurred!
>>> ERROR: gflags: build failed

[taang-qnx]

Suggested change

	makedepends="cmake ninja"
	makedepends="cmake ninja libc++-dev"