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add variables for target specific library suffix and prefix. (#7600)

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also set the according cmakevariables in script mode
enabling find_library calls in portfiles
This commit is contained in:
Alexander Neumann 2019-08-19 20:13:30 +02:00 committed by Victor Romero
parent 432e357737
commit 9c879883f6
1 changed files with 39 additions and 0 deletions
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39
scripts/cmake/vcpkg_common_definitions.cmake
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@ -1,3 +1,21 @@
## # vcpkg_common_definitions
##
## File contains helpful variabls for portfiles which are commonly needed or used.
##
## ## The following variables are available:
## ```cmake
## VCPKG_TARGET_IS_<target> with <target> being one of the following: WINDOWS, UWP, LINUX, OSX, ANDROID, FREEBSD. only defined if <target>
## VCPKG_TARGET_STATIC_LIBRARY_PREFIX static library prefix for target (same as CMAKE_STATIC_LIBRARY_PREFIX)
## VCPKG_TARGET_STATIC_LIBRARY_SUFFIX static library suffix for target (same as CMAKE_STATIC_LIBRARY_SUFFIX)
## VCPKG_TARGET_SHARED_LIBRARY_PREFIX shared library prefix for target (same as CMAKE_SHARED_LIBRARY_PREFIX)
## VCPKG_TARGET_SHARED_LIBRARY_SUFFIX shared library suffix for target (same as CMAKE_SHARED_LIBRARY_SUFFIX)
## ```
##
## CMAKE_STATIC_LIBRARY_PREFIX, CMAKE_STATIC_LIBRARY_SUFFIX, CMAKE_SHARED_LIBRARY_PREFIX, CMAKE_SHARED_LIBRARY_SUFFIX are defined for the target so that
## portfiles are able to use find_library calls to discover dependent libraries within the current triplet for ports.
##
#Helper variable to identify the Target system. VCPKG_TARGET_IS_<targetname>
if (NOT VCPKG_CMAKE_SYSTEM_NAME OR VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
set(VCPKG_TARGET_IS_WINDOWS 1)
if(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "WindowsStore")
@ -12,3 +30,24 @@ elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "Android")
elseif(VCPKG_CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
set(VCPKG_TARGET_IS_FREEBSD 1)
endif()
#Helper variables for libraries
if(VCPKG_TARGET_IS_WINDOWS)
set(VCPKG_TARGET_STATIC_LIBRARY_SUFFIX ".lib")
set(VCPKG_TARGET_SHARED_LIBRARY_SUFFIX ".dll")
set(VCPKG_TARGET_STATIC_LIBRARY_PREFIX "")
set(VCPKG_TARGET_SHARED_LIBRARY_PREFIX "")
else()
set(VCPKG_TARGET_STATIC_LIBRARY_SUFFIX ".a")
set(VCPKG_TARGET_SHARED_LIBRARY_SUFFIX ".so")
set(VCPKG_TARGET_STATIC_LIBRARY_PREFIX "lib")
set(VCPKG_TARGET_SHARED_LIBRARY_PREFIX "lib")
endif()
#Setting these variables allows find_library to work in script mode and thus in portfiles!
#This allows us scale down on hardcoded target dependent paths in portfiles
set(CMAKE_STATIC_LIBRARY_SUFFIX ${VCPKG_TARGET_STATIC_LIBRARY_SUFFIX})
set(CMAKE_SHARED_LIBRARY_SUFFIX ${VCPKG_TARGET_SHARED_LIBRARY_SUFFIX})
set(CMAKE_STATIC_LIBRARY_PREFIX ${VCPKG_TARGET_STATIC_LIBRARY_PREFIX})
set(CMAKE_SHARED_LIBRARY_PREFIX ${VCPKG_TARGET_SHARED_LIBRARY_PREFIX})