AuroraMiddleware/qt5base-lts
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decouple packageExists() and PKGCONFIG from qt configuration

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users may want to use pkg-config regardless of whether qt itself was
built with it. that's particularly relevant when using binary packages
on macos while trying to use 3rd party dependencies from homebrew.

Task-number: QTBUG-36256
Change-Id: I15e6d0bf5cdaff4274e2d7c07917e97f29157a5c
Reviewed-by: Massimo Callegari <massimocallegari@yahoo.it>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
This commit is contained in:
Oswald Buddenhagen 2016-10-27 15:43:08 +02:00
parent 265d309cb0
commit 0239b4f217
1 changed files with 49 additions and 13 deletions
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62
mkspecs/features/qt_functions.prf
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@ -235,17 +235,58 @@ defineTest(qtAddTargetEnv) {
defineReplace(pkgConfigExecutable) {
isEmpty(PKG_CONFIG) {
!isEmpty(QMAKE_PKG_CONFIG): \
!isEmpty(QMAKE_PKG_CONFIG) {
# Assumed to be properly sysrootified.
PKG_CONFIG = $$QMAKE_PKG_CONFIG
else: \
export(PKG_CONFIG)
} else {
PKG_CONFIG = pkg-config
!cross_compile {
export(PKG_CONFIG)
} else {
# Cross compiling, ensure that pkg-config is set up sanely.
sysroot = $$[QT_SYSROOT]
sysroot.name = PKG_CONFIG_SYSROOT_DIR
sysroot.value = $$PKG_CONFIG_SYSROOT_DIR
libdir.name = PKG_CONFIG_LIBDIR
libdir.value = $$PKG_CONFIG_LIBDIR
QT_TOOL_NAME = pkg-config
qtAddToolEnv(PKG_CONFIG, sysroot libdir, SYS)
pkgConfigLibdir = $$(PKG_CONFIG_LIBDIR)
isEmpty(pkgConfigLibdir) {
isEmpty(sysroot) {
warning("Cross compiling without sysroot. Disabling pkg-config.")
return()
}
!exists("$$sysroot/usr/lib/pkgconfig") {
warning("Disabling pkg-config since PKG_CONFIG_LIBDIR is not set and the")
warning("host's .pc files would be used (even if you set PKG_CONFIG_PATH).")
warning("Set this variable to the directory that contains target .pc files")
warning("for pkg-config to function correctly when cross-compiling.")
return()
}
pkgConfigLibdir = $$system_path($$sysroot/usr/lib/pkgconfig)$$QMAKE_DIRLIST_SEP$$system_path($$sysroot/usr/share/pkgconfig)
!isEmpty(GCC_MACHINE_DUMP): \
pkgConfigLibdir = "$$pkgConfigLibdir$$QMAKE_DIRLIST_SEP$$system_path($$sysroot/usr/lib/$$GCC_MACHINE_DUMP/pkgconfig)"
message("PKG_CONFIG_LIBDIR automatically set to $$pkgConfigLibdir")
}
pkgConfigSysrootDir = $$(PKG_CONFIG_SYSROOT_DIR)
isEmpty(pkgConfigSysrootDir) {
isEmpty(sysroot) {
warning("Disabling pkg-config since PKG_CONFIG_SYSROOT_DIR is not set.")
warning("Set this variable to your sysroot for pkg-config to function")
warning("correctly when cross-compiling.")
return()
}
pkgConfigSysrootDir = $$sysroot
message("PKG_CONFIG_SYSROOT_DIR automatically set to $$pkgConfigSysrootDir")
}
sysroot.name = PKG_CONFIG_SYSROOT_DIR
sysroot.value = $$pkgConfigSysrootDir
libdir.name = PKG_CONFIG_LIBDIR
libdir.value = $$pkgConfigLibdir
QT_TOOL_NAME = pkg-config
qtAddToolEnv(PKG_CONFIG, sysroot libdir, SYS)
}
}
}
equals(QMAKE_HOST.os, Windows): \
@ -257,11 +298,6 @@ defineReplace(pkgConfigExecutable) {
}
defineTest(packagesExist) {
!qtConfig(pkg-config) {
warning("pkg-config disabled, can't check package existence")
return(false)
}
# this can't be done in global scope here because qt_functions is loaded
# before the .pro is parsed, so if the .pro set PKG_CONFIG, we wouldn't know it
# yet. oops.