diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 31ee01ef..707db439 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -3,7 +3,8 @@ cmake_minimum_required(VERSION 3.16) # make_dist expects the version line to be on a line by itself after # the project line. When updating the version, check make_dist for all -# the places it has to be updated. +# the places it has to be updated. The doc configuration and CI build +# also find the version number here. project(qpdf VERSION 11.7.0 LANGUAGES C CXX) @@ -105,6 +106,7 @@ option(INSTALL_CMAKE_PACKAGE "Install cmake package files" ON) option(INSTALL_EXAMPLES "Install example files" ON) option(FUTURE "Include ABI-breaking changes CONSIDERED for the next major release" OFF) +option(CXX_NEXT "Build with next C++ standard version" OFF) # *** END OPTIONS *** @@ -147,8 +149,14 @@ endif() # increment SOVERSION every time we increment the project major # version. This works because qpdf uses semantic versioning. qpdf 10.x # was libqpdf28, so start from there. -math(EXPR qpdf_SOVERSION "${PROJECT_VERSION_MAJOR} + 18") -set(qpdf_LIBVERSION ${qpdf_SOVERSION}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}) + +if(FUTURE) + math(EXPR qpdf_SOVERSION 0) + set(qpdf_LIBVERSION 0) +else() + math(EXPR qpdf_SOVERSION "${PROJECT_VERSION_MAJOR} + 18") + set(qpdf_LIBVERSION ${qpdf_SOVERSION}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}) +endif() if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR}) message(FATAL_ERROR " @@ -159,7 +167,11 @@ Please build with cmake in a subdirectory, e.g. Please remove CMakeCache.txt and the CMakeFiles directories.") endif() -set(CMAKE_CXX_STANDARD 17) +if(CXX_NEXT) + set(CMAKE_CXX_STANDARD 20) +else() + set(CMAKE_CXX_STANDARD 17) +endif() set(CMAKE_CXX_EXTENSIONS OFF) set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_C_VISIBILITY_PRESET hidden) |