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authorMarkus Wick <markus@selfnet.de>2020-04-16 00:11:25 +0200
committerMarkus Wick <markus@selfnet.de>2020-04-16 17:03:17 +0200
commitb52097804334307103cfaba72cd6e27db804f650 (patch)
treecf7d730da6bd222d1244ec6e92b9aa4f391c7777 /externals/CMakeLists.txt
parentexternals: Move LibreSSL linking to httplib. (diff)
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Diffstat (limited to 'externals/CMakeLists.txt')
-rw-r--r--externals/CMakeLists.txt84
1 files changed, 65 insertions, 19 deletions
diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index a1d0452c3..d4421f697 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -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)
@@ -75,21 +107,35 @@ 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
- set(LIBRESSL_SKIP_INSTALL ON CACHE BOOL "")
- add_subdirectory(libressl EXCLUDE_FROM_ALL)
- target_include_directories(ssl INTERFACE ./libressl/include)
- target_compile_definitions(ssl PRIVATE -DHAVE_INET_NTOP)
- get_directory_property(OPENSSL_LIBRARIES
- DIRECTORY libressl
- DEFINITION OPENSSL_LIBS)
+ 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)
+ target_compile_definitions(ssl PRIVATE -DHAVE_INET_NTOP)
+ get_directory_property(OPENSSL_LIBRARIES
+ DIRECTORY libressl
+ DEFINITION OPENSSL_LIBS)
+ endif()
# lurlparser
add_subdirectory(lurlparser EXCLUDE_FROM_ALL)