qt5base-lts/mkspecs/features/mac/sdk.prf
Marcus Calhoun-Lopez 70cfe551b2 Apple: resolve SDK version of QMAKE_LINK_C and QMAKE_LINK_C_SHLIB
On Apple OSes, both compilers and linkers are given an absolute path.
For consistency, the same should be done with the C linkers.
The change is also a convenience to the MacPorts project,
which actively discourages ambiguous compiler names.
(https://trac.macports.org/wiki/UsingTheRightCompiler).

Change-Id: Ic1885aed825340696e9fde766788eebf51de3ff6
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
2018-03-07 18:12:11 +00:00

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isEmpty(QMAKE_MAC_SDK): \
error("QMAKE_MAC_SDK must be set when using CONFIG += sdk.")
contains(QMAKE_MAC_SDK, .*/.*): \
error("QMAKE_MAC_SDK can only contain short-form SDK names (eg. macosx, iphoneos)")
defineReplace(xcodeSDKInfo) {
info = $$1
equals(info, "Path"): \
info = --show-sdk-path
equals(info, "PlatformPath"): \
info = --show-sdk-platform-path
equals(info, "SDKVersion"): \
info = --show-sdk-version
sdk = $$2
isEmpty(sdk): \
sdk = $$QMAKE_MAC_SDK
isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}) {
QMAKE_MAC_SDK.$${sdk}.$${info} = $$system("/usr/bin/xcrun --sdk $$sdk $$info 2>/dev/null")
# --show-sdk-platform-path won't work for Command Line Tools; this is fine
# only used by the XCTest backend to testlib
isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}):if(!isEmpty(QMAKE_XCODEBUILD_PATH)|!equals(info, "--show-sdk-platform-path")): \
error("Could not resolve SDK $$info for \'$$sdk\'")
cache(QMAKE_MAC_SDK.$${sdk}.$${info}, set stash, QMAKE_MAC_SDK.$${sdk}.$${info})
}
return($$eval(QMAKE_MAC_SDK.$${sdk}.$${info}))
}
QMAKE_MAC_SDK_PATH = $$xcodeSDKInfo(Path)
QMAKE_MAC_SDK_PLATFORM_PATH = $$xcodeSDKInfo(PlatformPath)
QMAKE_MAC_SDK_VERSION = $$xcodeSDKInfo(SDKVersion)
sysrootified =
for(val, QMAKE_INCDIR_OPENGL): sysrootified += $${QMAKE_MAC_SDK_PATH}$$val
QMAKE_INCDIR_OPENGL = $$sysrootified
QMAKESPEC_NAME = $$basename(QMAKESPEC)
# Resolve SDK version of various tools
for(tool, $$list(QMAKE_CC QMAKE_CXX QMAKE_FIX_RPATH QMAKE_AR QMAKE_RANLIB QMAKE_LINK QMAKE_LINK_SHLIB QMAKE_ACTOOL QMAKE_LINK_C QMAKE_LINK_C_SHLIB)) {
tool_variable = QMAKE_MAC_SDK.$${QMAKESPEC_NAME}.$${QMAKE_MAC_SDK}.$${tool}
!isEmpty($$tool_variable) {
$$tool = $$eval($$tool_variable)
next()
}
value = $$eval($$tool)
isEmpty(value): next()
sysrooted = $$system("/usr/bin/xcrun -sdk $$QMAKE_MAC_SDK -find $$first(value) 2>/dev/null")
isEmpty(sysrooted): next()
$$tool = $$sysrooted $$member(value, 1, -1)
cache($$tool_variable, set stash, $$tool)
}