externals: Use shared libraries if possible

This is mostly done by pkgconfig.
I've focused on the larger and more stable libraries.
This commit is contained in:
Markus Wick 2020-04-16 00:11:25 +02:00
parent fedf750e1b
commit b520978043

View File

@ -3,13 +3,27 @@
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/CMakeModules)
include(DownloadExternals)
# pkgconfig -- it is used to find shared libraries without cmake modules on linux systems
find_package(PkgConfig)
if (NOT PkgConfig_FOUND)
function(pkg_check_modules)
# STUB
endfunction()
endif()
# Catch
add_library(catch-single-include INTERFACE)
target_include_directories(catch-single-include INTERFACE catch/single_include)
# libfmt
add_subdirectory(fmt)
add_library(fmt::fmt ALIAS fmt)
pkg_check_modules(FMT IMPORTED_TARGET GLOBAL fmt>=6.1.0)
if (FMT_FOUND)
add_library(fmt::fmt ALIAS PkgConfig::FMT)
else()
message(STATUS "fmt 6.1.0 or newer not found, falling back to externals")
add_subdirectory(fmt)
add_library(fmt::fmt ALIAS fmt)
endif()
# Dynarmic
if (ARCHITECTURE_x86_64)
@ -30,9 +44,15 @@ add_subdirectory(glad)
add_subdirectory(inih)
# lz4
set(LZ4_BUNDLED_MODE ON)
add_subdirectory(lz4/contrib/cmake_unofficial EXCLUDE_FROM_ALL)
target_include_directories(lz4_static INTERFACE ./lz4/lib)
pkg_check_modules(LIBLZ4 IMPORTED_TARGET GLOBAL liblz4>=1.8.0)
if (LIBLZ4_FOUND)
add_library(lz4_static ALIAS PkgConfig::LIBLZ4)
else()
message(STATUS "liblz4 1.8.0 or newer not found, falling back to externals")
set(LZ4_BUNDLED_MODE ON)
add_subdirectory(lz4/contrib/cmake_unofficial EXCLUDE_FROM_ALL)
target_include_directories(lz4_static INTERFACE ./lz4/lib)
endif()
# mbedtls
add_subdirectory(mbedtls EXCLUDE_FROM_ALL)
@ -47,15 +67,27 @@ add_library(unicorn-headers INTERFACE)
target_include_directories(unicorn-headers INTERFACE ./unicorn/include)
# Zstandard
add_subdirectory(zstd/build/cmake EXCLUDE_FROM_ALL)
target_include_directories(libzstd_static INTERFACE ./zstd/lib)
pkg_check_modules(LIBZSTD IMPORTED_TARGET GLOBAL libzstd>=1.3.8)
if (LIBZSTD_FOUND)
add_library(libzstd_static ALIAS PkgConfig::LIBZSTD)
else()
message(STATUS "libzstd 1.3.8 or newer not found, falling back to externals")
add_subdirectory(zstd/build/cmake EXCLUDE_FROM_ALL)
target_include_directories(libzstd_static INTERFACE ./zstd/lib)
endif()
# SoundTouch
add_subdirectory(soundtouch)
# Opus
add_subdirectory(opus)
target_include_directories(opus INTERFACE ./opus/include)
pkg_check_modules(OPUS IMPORTED_TARGET GLOBAL opus>=1.3.1)
if (OPUS_FOUND)
add_library(opus ALIAS PkgConfig::OPUS)
else()
message(STATUS "opus 1.3.1 or newer not found, falling back to externals")
add_subdirectory(opus)
target_include_directories(opus INTERFACE ./opus/include)
endif()
# Cubeb
if(ENABLE_CUBEB)
@ -75,14 +107,27 @@ if (ENABLE_VULKAN)
endif()
# zlib
add_subdirectory(zlib EXCLUDE_FROM_ALL)
set(ZLIB_LIBRARIES z)
find_package(ZLIB 1.2.11)
if (NOT ZLIB_FOUND)
message(STATUS "zlib 1.2.11 or newer not found, falling back to externals")
add_subdirectory(zlib EXCLUDE_FROM_ALL)
set(ZLIB_LIBRARIES z)
endif()
# libzip
add_subdirectory(libzip EXCLUDE_FROM_ALL)
pkg_check_modules(LIBZIP IMPORTED_TARGET GLOBAL libzip>=1.5.3)
if (LIBZIP_FOUND)
add_library(zip ALIAS PkgConfig::LIBZIP)
else()
message(STATUS "libzip 1.5.3 or newer not found, falling back to externals")
add_subdirectory(libzip EXCLUDE_FROM_ALL)
endif()
if (ENABLE_WEB_SERVICE)
# LibreSSL
find_package(OpenSSL COMPONENTS Crypto SSL)
if (NOT OpenSSL_FOUND)
message(STATUS "OpenSSL not found, falling back to externals")
set(LIBRESSL_SKIP_INSTALL ON CACHE BOOL "")
add_subdirectory(libressl EXCLUDE_FROM_ALL)
target_include_directories(ssl INTERFACE ./libressl/include)
@ -90,6 +135,7 @@ if (ENABLE_WEB_SERVICE)
get_directory_property(OPENSSL_LIBRARIES
DIRECTORY libressl
DEFINITION OPENSSL_LIBS)
endif()
# lurlparser
add_subdirectory(lurlparser EXCLUDE_FROM_ALL)