From 6cb16322decd643fed9de332d9cda77f7738b7af Mon Sep 17 00:00:00 2001
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From: Adrian Perez de Castro <aperez@igalia.com>
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Date: Mon, 7 Sep 2020 12:14:22 +0300
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Subject: [PATCH] CMake: Allow using BUILD_SHARED_LIBS to choose static/shared
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libs
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By convention projects using CMake which can build either static or
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shared libraries use a BUILD_SHARED_LIBS flag to allow selecting between
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both: the add_library() command automatically switches between both using
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this variable when the library kind is not passed to add_library(). It
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is also usual to expose the BUILD_SHARED_LIBS as an user-facing setting
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with the option() command.
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This way, the following will both work as expected:
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% cmake -DBUILD_SHARED_LIBS=OFF ...
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% cmake -DBUILS_SHARED_LIBS=ON ...
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This is helpful for distributions which need (or want) to build only
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static libraries.
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Signed-off-by: Adrian Perez de Castro <aperez@igalia.com>
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[Upstream status: https://github.com/google/brotli/pull/655]
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---
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CMakeLists.txt | 46 ++++++++++++++-----------------------------
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c/fuzz/test_fuzzer.sh | 6 +++---
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2 files changed, 18 insertions(+), 34 deletions(-)
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diff --git a/CMakeLists.txt b/CMakeLists.txt
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index 4ff3401..f889311 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -6,6 +6,8 @@ cmake_minimum_required(VERSION 2.8.6)
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project(brotli C)
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+option(BUILD_SHARED_LIBS "Build shared libraries" ON)
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+
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Setting build type to Release as none was specified.")
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set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build." FORCE)
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@@ -137,10 +139,6 @@ set(BROTLI_LIBRARIES_CORE brotlienc brotlidec brotlicommon)
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set(BROTLI_LIBRARIES ${BROTLI_LIBRARIES_CORE} ${LIBM_LIBRARY})
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mark_as_advanced(BROTLI_LIBRARIES)
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-set(BROTLI_LIBRARIES_CORE_STATIC brotlienc-static brotlidec-static brotlicommon-static)
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-set(BROTLI_LIBRARIES_STATIC ${BROTLI_LIBRARIES_CORE_STATIC} ${LIBM_LIBRARY})
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-mark_as_advanced(BROTLI_LIBRARIES_STATIC)
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-
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if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
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add_definitions(-DOS_LINUX)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
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@@ -161,29 +159,25 @@ transform_sources_list("scripts/sources.lst" "${CMAKE_CURRENT_BINARY_DIR}/source
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include("${CMAKE_CURRENT_BINARY_DIR}/sources.lst.cmake")
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if(BROTLI_EMSCRIPTEN)
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- set(BROTLI_SHARED_LIBS "")
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-else()
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- set(BROTLI_SHARED_LIBS brotlicommon brotlidec brotlienc)
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- add_library(brotlicommon SHARED ${BROTLI_COMMON_C})
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- add_library(brotlidec SHARED ${BROTLI_DEC_C})
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- add_library(brotlienc SHARED ${BROTLI_ENC_C})
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+ set(BUILD_SHARED_LIBS OFF)
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endif()
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-set(BROTLI_STATIC_LIBS brotlicommon-static brotlidec-static brotlienc-static)
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-add_library(brotlicommon-static STATIC ${BROTLI_COMMON_C})
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-add_library(brotlidec-static STATIC ${BROTLI_DEC_C})
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-add_library(brotlienc-static STATIC ${BROTLI_ENC_C})
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+add_library(brotlicommon ${BROTLI_COMMON_C})
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+add_library(brotlidec ${BROTLI_DEC_C})
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+add_library(brotlienc ${BROTLI_ENC_C})
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# Older CMake versions does not understand INCLUDE_DIRECTORIES property.
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include_directories(${BROTLI_INCLUDE_DIRS})
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-foreach(lib IN LISTS BROTLI_SHARED_LIBS)
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- target_compile_definitions(${lib} PUBLIC "BROTLI_SHARED_COMPILATION" )
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- string(TOUPPER "${lib}" LIB)
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- set_target_properties (${lib} PROPERTIES DEFINE_SYMBOL "${LIB}_SHARED_COMPILATION")
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-endforeach()
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+if(BUILD_SHARED_LIBS)
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+ foreach(lib brotlicommon brotlidec brotlienc)
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+ target_compile_definitions(${lib} PUBLIC "BROTLI_SHARED_COMPILATION" )
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+ string(TOUPPER "${lib}" LIB)
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+ set_target_properties (${lib} PROPERTIES DEFINE_SYMBOL "${LIB}_SHARED_COMPILATION")
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+ endforeach()
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+endif()
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-foreach(lib IN LISTS BROTLI_SHARED_LIBS BROTLI_STATIC_LIBS)
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+foreach(lib brotlicommon brotlidec brotlienc)
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target_link_libraries(${lib} ${LIBM_LIBRARY})
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set_property(TARGET ${lib} APPEND PROPERTY INCLUDE_DIRECTORIES ${BROTLI_INCLUDE_DIRS})
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set_target_properties(${lib} PROPERTIES
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@@ -200,9 +194,6 @@ target_link_libraries(brotlidec brotlicommon)
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target_link_libraries(brotlienc brotlicommon)
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endif()
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-target_link_libraries(brotlidec-static brotlicommon-static)
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-target_link_libraries(brotlienc-static brotlicommon-static)
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-
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# For projects stuck on older versions of CMake, this will set the
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# BROTLI_INCLUDE_DIRS and BROTLI_LIBRARIES variables so they still
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# have a relatively easy way to use Brotli:
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@@ -216,7 +207,7 @@ endif()
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# Build the brotli executable
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add_executable(brotli ${BROTLI_CLI_C})
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-target_link_libraries(brotli ${BROTLI_LIBRARIES_STATIC})
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+target_link_libraries(brotli ${BROTLI_LIBRARIES})
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# Installation
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if(NOT BROTLI_EMSCRIPTEN)
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@@ -233,13 +224,6 @@ if(NOT BROTLI_BUNDLED_MODE)
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RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
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)
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- install(
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- TARGETS ${BROTLI_LIBRARIES_CORE_STATIC}
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- ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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- LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
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- RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
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- )
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-
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install(
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DIRECTORY ${BROTLI_INCLUDE_DIRS}/brotli
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DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
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--
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2.28.0
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