diff options
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/modules/ApplyPatch.cmake | 11 | ||||
| -rw-r--r-- | cmake/modules/MakeAvailable.cmake | 16 | ||||
| -rw-r--r-- | cmake/modules/apply_patch.cmake.in | 5 |
3 files changed, 32 insertions, 0 deletions
diff --git a/cmake/modules/ApplyPatch.cmake b/cmake/modules/ApplyPatch.cmake new file mode 100644 index 0000000..894d32e --- /dev/null +++ b/cmake/modules/ApplyPatch.cmake @@ -0,0 +1,11 @@ +# Creates a wrapper for patch(1) utility that discards exit status in case the patch gets reapplied. This happens +# because CMake applies patch step frequently with ExternalProject and FetchContent. Moreover, GNU patch does not follow +# strict POSIX description of -N option making CMake think patching failed. +# +# For compatibility use with cmake(1) itself: +# +# COMMAND ${CMAKE_COMMAND} -D PATCH_FILE=something.patch -P ${PATCH_SCRIPT} + +find_program(PATCH_COMMAND patch DOC "POSIX-compliant patch utility") +set(PATCH_SCRIPT ${CMAKE_BINARY_DIR}/apply_patch.cmake CACHE FILEPATH "CMake script wrapper for patch command") +configure_file(${CMAKE_CURRENT_LIST_DIR}/apply_patch.cmake.in ${PATCH_SCRIPT} @ONLY) diff --git a/cmake/modules/MakeAvailable.cmake b/cmake/modules/MakeAvailable.cmake new file mode 100644 index 0000000..16e976c --- /dev/null +++ b/cmake/modules/MakeAvailable.cmake @@ -0,0 +1,16 @@ +# Populates all declared FetchContent projects. Use this once after everything is set up: +# +# FetchContent_Declare(zlib ...) +# FetchContent_Declare(libpng ...) +# make_available(zlib libpng) + +function(make_available) + foreach(DEPNAME IN LISTS ARGN) + string(TOLOWER "${DEPNAME}" DEPNAME) + FetchContent_GetProperties(${DEPNAME}) + if(NOT ${DEPNAME}_POPULATED) + FetchContent_Populate(${DEPNAME}) + add_subdirectory(${${DEPNAME}_SOURCE_DIR} ${${DEPNAME}_BINARY_DIR} EXCLUDE_FROM_ALL) + endif() + endforeach() +endfunction() diff --git a/cmake/modules/apply_patch.cmake.in b/cmake/modules/apply_patch.cmake.in new file mode 100644 index 0000000..61ce075 --- /dev/null +++ b/cmake/modules/apply_patch.cmake.in @@ -0,0 +1,5 @@ +# See ApplyPatch.cmake +if(NOT PATCH_FILE) + message(FATAL_ERROR "no PATCH_FILE passed to the script") +endif() +execute_process(COMMAND @PATCH_COMMAND@ -Np1 INPUT_FILE ${PATCH_FILE}) |