[PATCH v2 0/2] Add pcre2 support for cmake build system.

Pcre2 is dealt with pkg-config.

Yuyi Wang (2):
  Fix CMakeLists.txt on Linux.
  Add pcre2 support for cmake build system.

 contrib/buildsystems/CMakeLists.txt | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

base-commit: 277cf0bc36094f6dc4297d8c9cef79df045b735d
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-git-1267%2FBerrysoft%2Fcmake%2Fpcre2-v2
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-git-1267/Berrysoft/cmake/pcre2-v2
Pull-Request: https://github.com/git/git/pull/1267

Range-diff vs v1:

 -:  ----------- > 1:  29cb31e5c50 Fix CMakeLists.txt on Linux.
 1:  679e5dd46d0 ! 2:  b828585b205 Add pcre2 support for cmake build system.
     @@ Commit message
      
          This commit fixes one of the TODOs listed in the CMakeLists.txt.
      
     -    There's also some small fix to ensure it builds successfully.
     +    As pcre2 doesn't provide cmake find module, we find it with pkgconf.
     +    This patch also works with vcpkg on Windows, with pkgconf and pcre2
     +    installed.
     +
     +    Pkgconf and pcre2 is detected automatically just like curl, expat
     +    and iconv. The output of CMake indicates whether pcre2 is found.
      
          Signed-off-by: Yuyi Wang <Strawberry_Str@hotmail.com>
      
       ## contrib/buildsystems/CMakeLists.txt ##
     -@@ contrib/buildsystems/CMakeLists.txt: set(CMAKE_SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
     - 
     - option(USE_VCPKG "Whether or not to use vcpkg for obtaining dependencies.  Only applicable to Windows platforms" ON)
     - if(NOT WIN32)
     --	set(USE_VCPKG OFF CACHE BOOL FORCE)
     -+	set(USE_VCPKG OFF CACHE BOOL "" FORCE)
     - endif()
     - 
     - if(NOT DEFINED CMAKE_EXPORT_COMPILE_COMMANDS)
      @@ contrib/buildsystems/CMakeLists.txt: project(git
       
       #TODO gitk git-gui gitweb
     @@ contrib/buildsystems/CMakeLists.txt: endif()
       
       
       if(WIN32 AND NOT MSVC)#not required for visual studio builds
     -@@ contrib/buildsystems/CMakeLists.txt: if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
     - 
     - elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
     - 	add_compile_definitions(PROCFS_EXECUTABLE_PATH="/proc/self/exe" HAVE_DEV_TTY )
     --	list(APPEND compat_SOURCES unix-socket.c unix-stream-server.c)
     -+	list(APPEND compat_SOURCES unix-socket.c unix-stream-server.c compat/linux/procinfo.c)
     - endif()
     - 
     - if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
      @@ contrib/buildsystems/CMakeLists.txt: endif()
       if(Iconv_FOUND)
       	target_link_libraries(common-main ${Iconv_LIBRARIES})
       endif()
      +if(PCRE2_FOUND)
      +	target_link_libraries(common-main ${PCRE2_LIBRARIES})
     ++	target_link_directories(common-main PUBLIC ${PCRE2_LIBRARY_DIRS})
      +endif()
       if(WIN32)
       	target_link_libraries(common-main ws2_32 ntdll ${CMAKE_BINARY_DIR}/git.res)