qt5base-lts/mkspecs/features/toolchain.prf
Orgad Shaneh 5fa6438633 Qmake: Introduce and use QMAKE_{SYSTEM,SHELL}_NULL_DEVICE variable, take 2
SYSTEM is used for system() calls, while SHELL is used in the target
Makefiles.

Task-number: QTBUG-62985
Change-Id: Ia75d3939c59c98699359421166433e8b4a6ee35e
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@qt.io>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
2017-10-13 13:32:36 +00:00

250 lines
10 KiB
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# In early configure setup; nothing useful to be done here.
isEmpty(QMAKE_CXX): return()
defineReplace(qtMakeExpand) {
out = "$$1"
for(ever) {
m = $$replace(out, ".*\\$\\(EXPORT_([^)]+)\\).*", \\1)
equals(m, $$out): \
return($$out)
out = $$replace(out, "\\$\\(EXPORT_$$m\\)", $$eval($$m))
}
}
defineTest(qtCompilerErrror) {
!cross_compile: \
what =
else: host_build: \
what = " host"
else: \
what = " target"
error("Cannot run$$what compiler '$$1'. Maybe you forgot to setup the environment?")
}
cross_compile:host_build: \
target_prefix = QMAKE_HOST_CXX
else: \
target_prefix = QMAKE_CXX
isEmpty($${target_prefix}.INCDIRS) {
#
# Get default include and library paths from compiler
#
gcc {
cmd_suffix = "<$$QMAKE_SYSTEM_NULL_DEVICE >$$QMAKE_SYSTEM_NULL_DEVICE"
equals(QMAKE_HOST.os, Windows): \
cmd_prefix = "set LC_ALL=C&"
else: \
cmd_prefix = "LC_ALL=C"
cxx_flags = $$QMAKE_CXXFLAGS
# Manually inject the sysroot for Apple Platforms because its resolution
# normally does not happen until default_post.prf. This is especially
# important for moc to gain the correct default include directory list.
# While technically incorrect but without any likely practical effect,
# UIKit simulator platforms will see the device SDK's sysroot in
# QMAKE_DEFAULT_*DIRS, because they're handled in a single build pass.
darwin {
uikit:macx-xcode: \
cxx_flags += -isysroot $$sdk_path_device.value
else: \
cxx_flags += -isysroot $$QMAKE_MAC_SDK_PATH
}
rim_qcc: \
# Need the cc1plus and ld command lines to pick up the paths
cxx_flags += $$QMAKE_LFLAGS_SHLIB -o $$QMAKE_SYSTEM_NULL_DEVICE -v
else: darwin:clang: \
# Need to link to pick up library paths
cxx_flags += $$QMAKE_LFLAGS_SHLIB -o /dev/null -v -Wl,-v
else: \
# Just preprocess, might not pick up library paths
cxx_flags += -E -v
output = $$system("$$cmd_prefix $$QMAKE_CXX $$qtMakeExpand($$cxx_flags) -xc++ - 2>&1 $$cmd_suffix", lines, ec)
!equals(ec, 0): qtCompilerErrror($$QMAKE_CXX)
rim_qcc {
for (line, output) {
contains(line, "^[^ ]*cc1plus .*") {
take_next = false
for (parameter, $$list($$line)) {
$$take_next {
QMAKE_DEFAULT_INCDIRS += $$clean_path($$parameter)
take_next = false
} else: equals(parameter, "-isystem") {
take_next = true
}
}
} else: contains(line, "^[^ ]*-ld .*") {
for (parameter, $$list($$line)) {
contains(parameter, "^-L.*") {
parameter ~= s/^-L//
QMAKE_DEFAULT_LIBDIRS += $$clean_path($$parameter)
}
}
}
}
} else {
add_includes = false
add_libraries = false
for (line, output) {
line ~= s/^[ \\t]*// # remove leading spaces
contains(line, "LIBRARY_PATH=.*") {
line ~= s/^LIBRARY_PATH=// # remove leading LIBRARY_PATH=
paths = $$split(line, $$QMAKE_DIRLIST_SEP)
for (path, paths): \
QMAKE_DEFAULT_LIBDIRS += $$clean_path($$path)
} else: contains(line, "Library search paths:") {
add_libraries = true
} else: contains(line, "$${LITERAL_HASH}include <.*") { # #include <...> search starts here:
add_includes = true
} else: contains(line, "End of search.*") {
add_includes = false
} else: $$add_libraries {
# We assume all library search paths are absolute
!contains(line, "^/.*") {
add_libraries = false
next()
}
QMAKE_DEFAULT_LIBDIRS += $$clean_path($$line)
} else: $$add_includes {
!contains(line, ".* \\(framework directory\\)"): \
QMAKE_DEFAULT_INCDIRS += $$clean_path($$line)
}
}
}
if(!darwin:clang)|intel_icc {
# Clang on a non-Apple system (that is, a system without ld64 -- say, with GNU ld
# or gold under Linux) will not print any library search path. Need to use another
# invocation with different options (which in turn doesn't print include search
# paths, so it can't just be used in place of the above code).
# What's more, -print-search-dirs can't be used on clang on Apple because it
# won't print all the library paths (only the clang-internal ones).
output = $$system("$$cmd_prefix $$QMAKE_CXX -print-search-dirs", lines, ec)
!equals(ec, 0): qtCompilerErrror($$QMAKE_CXX)
for (line, output) {
contains(line, "^libraries: .*") {
line ~= s,^libraries: ,,
paths = $$split(line, $$QMAKE_DIRLIST_SEP)
for (path, paths): \
QMAKE_DEFAULT_LIBDIRS += $$clean_path($$replace(path, ^=, $$[SYSROOT]))
}
}
}
isEmpty(QMAKE_DEFAULT_LIBDIRS)|isEmpty(QMAKE_DEFAULT_INCDIRS): \
!integrity: \
error("failed to parse default search paths from compiler output")
QMAKE_DEFAULT_LIBDIRS = $$unique(QMAKE_DEFAULT_LIBDIRS)
} else: msvc {
# This doesn't differentiate between host and target,
# but neither do the compilers.
LIB = $$getenv("LIB")
QMAKE_DEFAULT_LIBDIRS = $$split(LIB, $$QMAKE_DIRLIST_SEP)
INCLUDE = $$getenv("INCLUDE")
QMAKE_DEFAULT_INCDIRS = $$split(INCLUDE, $$QMAKE_DIRLIST_SEP)
}
unix {
isEmpty(QMAKE_DEFAULT_INCDIRS): QMAKE_DEFAULT_INCDIRS = /usr/include /usr/local/include
isEmpty(QMAKE_DEFAULT_LIBDIRS): QMAKE_DEFAULT_LIBDIRS = /lib /usr/lib
}
cache($${target_prefix}.INCDIRS, set stash, QMAKE_DEFAULT_INCDIRS)
cache($${target_prefix}.LIBDIRS, set stash, QMAKE_DEFAULT_LIBDIRS)
} else {
QMAKE_DEFAULT_INCDIRS = $$eval($${target_prefix}.INCDIRS)
QMAKE_DEFAULT_LIBDIRS = $$eval($${target_prefix}.LIBDIRS)
}
#
# Determine and cache the compiler version
#
defineReplace(qtVariablesFromMSVC) {
ret = $$system("$$1 -nologo -E $$2 $$system_quote($$PWD/data/macros.cpp) <NUL 2>NUL", lines, ec)
!equals(ec, 0): qtCompilerErrror($$1)
return($$ret)
}
defineReplace(qtVariablesFromGCC) {
ret = $$system("$$1 -E $$system_quote($$PWD/data/macros.cpp) \
<$$QMAKE_SYSTEM_NULL_DEVICE 2>$$QMAKE_SYSTEM_NULL_DEVICE", lines, ec)
!equals(ec, 0): qtCompilerErrror($$1)
return($$ret)
}
isEmpty($${target_prefix}.COMPILER_MACROS) {
msvc {
clang_cl {
# We need to obtain the cl.exe version first
vars = $$qtVariablesFromMSVC(cl)
for (v, vars) {
isEmpty(v)|contains(v, $${LITERAL_HASH}.*): next()
eval($$v)
}
isEmpty(QMAKE_MSC_FULL_VER): error("Could not determine the Visual Studio version")
QMAKE_CFLAGS_MSVC_COMPAT = $$replace(QMAKE_MSC_FULL_VER, "(..)(..)(.*)", \
"-fms-compatibility-version=\\1.\\2.\\3")
cache($${target_prefix}.QMAKE_CFLAGS_MSVC_COMPAT, set stash, QMAKE_CFLAGS_MSVC_COMPAT)
$${target_prefix}.COMPILER_MACROS += QMAKE_CFLAGS_MSVC_COMPAT
vars = $$qtVariablesFromMSVC($$QMAKE_CXX, $$QMAKE_CFLAGS_MSVC_COMPAT)
} else {
vars = $$qtVariablesFromMSVC($$QMAKE_CXX)
}
} else: gcc {
vars = $$qtVariablesFromGCC($$QMAKE_CXX)
}
for (v, vars) {
contains(v, $${LITERAL_HASH}.*)|contains(v, " *"): next()
# Set both <varname> for the outer scope ...
eval($$v)
v ~= s/ .*//
isEmpty($$v): error("Compiler produced empty value for $${v}.")
# ... and save QMAKE_(HOST_)?CXX.<varname> in the cache.
cache($${target_prefix}.$$v, set stash, $$v)
$${target_prefix}.COMPILER_MACROS += $$v
}
cache($${target_prefix}.COMPILER_MACROS, set stash)
} else {
# load from the cache
for (i, $${target_prefix}.COMPILER_MACROS): \
$$i = $$eval($${target_prefix}.$$i)
}
unset(target_prefix)
# Populate QMAKE_COMPILER_DEFINES and some compatibility variables.
# The $$format_number() calls strip leading zeros to avoid misinterpretation as octal.
QMAKE_COMPILER_DEFINES += __cplusplus=$$QT_COMPILER_STDCXX
!isEmpty(QMAKE_MSC_VER): \
QMAKE_COMPILER_DEFINES += _MSC_VER=$$QMAKE_MSC_VER _MSC_FULL_VER=$$QMAKE_MSC_FULL_VER
!isEmpty(QMAKE_ICC_VER): \
QMAKE_COMPILER_DEFINES += __INTEL_COMPILER=$$QMAKE_ICC_VER __INTEL_COMPILER_UPDATE=$$QMAKE_ICC_UPDATE_VER
!isEmpty(QMAKE_APPLE_CC): \
QMAKE_COMPILER_DEFINES += __APPLE_CC__=$$QMAKE_APPLE_CC
!isEmpty(QMAKE_APPLE_CLANG_MAJOR_VERSION): \
QMAKE_COMPILER_DEFINES += __clang__ \
__clang_major__=$$QMAKE_APPLE_CLANG_MAJOR_VERSION \
__clang_minor__=$$QMAKE_APPLE_CLANG_MINOR_VERSION \
__clang_patchlevel__=$$QMAKE_APPLE_CLANG_PATCH_VERSION
!isEmpty(QMAKE_CLANG_MAJOR_VERSION): \
QMAKE_COMPILER_DEFINES += __clang__ \
__clang_major__=$$QMAKE_CLANG_MAJOR_VERSION \
__clang_minor__=$$QMAKE_CLANG_MINOR_VERSION \
__clang_patchlevel__=$$QMAKE_CLANG_PATCH_VERSION
!isEmpty(QMAKE_GCC_MAJOR_VERSION): \
QMAKE_COMPILER_DEFINES += \
__GNUC__=$$QMAKE_GCC_MAJOR_VERSION \
__GNUC_MINOR__=$$QMAKE_GCC_MINOR_VERSION \
__GNUC_PATCHLEVEL__=$$QMAKE_GCC_PATCH_VERSION
QMAKE_CFLAGS += $$QMAKE_CFLAGS_MSVC_COMPAT
QMAKE_CXXFLAGS += $$QMAKE_CFLAGS_MSVC_COMPAT
msvc:!intel_icl:!clang_cl: include(../common/msvc-version.conf)