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| author | Mike Taves <mwtoews@gmail.com> | 2021-11-25 11:57:02 +1300 |
|---|---|---|
| committer | Mike Taves <mwtoews@gmail.com> | 2021-11-25 11:57:02 +1300 |
| commit | cd07dcf0c4b60860188fc7829ebd20df835c68d4 (patch) | |
| tree | 3b1117bfbced5853dd678104e789d181b67112c4 | |
| parent | 4889dcfa71505939966e119baa9449be189abaaf (diff) | |
| download | PROJ-cd07dcf0c4b60860188fc7829ebd20df835c68d4.tar.gz PROJ-cd07dcf0c4b60860188fc7829ebd20df835c68d4.zip | |
Move option to module and add more comments
| -rw-r--r-- | CMakeLists.txt | 6 | ||||
| -rw-r--r-- | cmake/Ccache.cmake | 16 |
2 files changed, 17 insertions, 5 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index c1d58405..744ee4c2 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -123,11 +123,7 @@ set(PROJ_BUILD_VERSION "${PROJ_API_VERSION}.${PROJ_LIBTOOL_AGE}.${PROJ_LIBTOOL_R # Build features and variants ################################################################################ -option(USE_CCACHE "Use ccache to compile C/C++ objects" OFF) -if(USE_CCACHE) - include(Ccache) -endif() - +include(Ccache) include(ProjConfig) include(ProjMac) include(policies) diff --git a/cmake/Ccache.cmake b/cmake/Ccache.cmake index 7bc59429..10b4cfd0 100644 --- a/cmake/Ccache.cmake +++ b/cmake/Ccache.cmake @@ -2,11 +2,27 @@ # CMake module to support ccache (or clcache for MSVC) # # Copyright (c) 2021, Mike Taves <mwtoews at gmail dot com> +# +# Usage: +# Add "include(Ccache)" to CMakeLists.txt and enable +# using the option -D USE_CCACHE=ON cmake_minimum_required(VERSION 3.4) +option(USE_CCACHE + "Use ccache (or clcache for MSVC) to compile C/C++ objects" OFF) +if(NOT USE_CCACHE) + # stop here and return to including file + return() +endif() + +# Search priority: +# 1. ccache for many compilers except MSVC +# 2. clcache for MSVC + find_program(CCACHE_PROGRAM NAMES ccache clcache) + if(CCACHE_PROGRAM) message(STATUS "Configuring ccache with ${CCACHE_PROGRAM}") |