qt5base-lts/mkspecs/features/qt_module_headers.prf

#
#  W A R N I N G
#  -------------
#
# This file is not part of the Qt API.  It exists purely as an
# implementation detail.  It may change from version to version
# without notice, or even be removed.
#
# We mean it.
#

load(qt_build_paths)

!build_pass:git_build {
    qtPrepareTool(QMAKE_SYNCQT, syncqt, , system)
    minimal_syncqt {
        QMAKE_SYNCQT += -minimal $$QMAKE_SYNCQT_OPTIONS
    } else {
        contains(QT_CONFIG, private_tests): \   # -developer-build
            QMAKE_SYNCQT += -check-includes
        QMAKE_SYNCQT += -module $$MODULE_INCNAME -version $$VERSION
    }
    QMAKE_SYNCQT += \
        -outdir $$system_quote($$MODULE_BASE_OUTDIR) $$MODULE_SYNCQT_DIR
    !silent: message($$QMAKE_SYNCQT)
    system($$QMAKE_SYNCQT)|error("Failed to run: $$QMAKE_SYNCQT")

    include-distclean.commands = $$QMAKE_DEL_TREE $$shell_quote($$shell_path($$MODULE_BASE_OUTDIR/include/$$MODULE_INCNAME))
    QMAKE_EXTRA_TARGETS += include-distclean
    DISTCLEAN_DEPS += include-distclean
}

minimal_syncqt: return()

#load up the headers info
git_build: \
    INC_PATH = $$MODULE_BASE_OUTDIR
else: \
    INC_PATH = $$MODULE_BASE_INDIR
include($$INC_PATH/include/$$MODULE_INCNAME/headers.pri, "", true)

for (injection, SYNCQT.INJECTIONS) {
    injects = $$split(injection, :)
    fwd_hdr = $$member(injects, 1)
    MAIN_FWD = $$INC_PATH/include/$$MODULE_INCNAME/$$fwd_hdr
    MAIN_FWD_CONT = '$${LITERAL_HASH}include "$$member(injects, 0)"'
    write_file($$MAIN_FWD, MAIN_FWD_CONT)|error("Aborting.")
    !git_build: QMAKE_DISTCLEAN += $$MAIN_FWD
    injects = $$member(injects, 2, -1)
    for (inject, injects) {
        CLASS_FWD = $$INC_PATH/include/$$MODULE_INCNAME/$$inject
        CLASS_FWD_CONT = '$${LITERAL_HASH}include "$$fwd_hdr"'
        write_file($$CLASS_FWD, CLASS_FWD_CONT)|error("Aborting.")
        !git_build: QMAKE_DISTCLEAN += $$CLASS_FWD
    }
}

autogen_warning = \
    "/* This file was generated by qmake with the info from <root>/$$relative_path($$_PRO_FILE_, $$MODULE_BASE_INDIR). */"

# Create a module master depends header
MODULE_MASTER_DEPS_HEADER = $$MODULE_BASE_OUTDIR/include/$$MODULE_INCNAME/$${MODULE_INCNAME}Depends
!build_pass {
    MODULE_MASTER_DEPS_HEADER_CONT = $$autogen_warning
    MODULE_MASTER_DEPS_HEADER_CONT += "$${LITERAL_HASH}ifdef __cplusplus /* create empty PCH in C mode */"
    for(dep, MODULE_DEPENDS) {
        depname = $$eval(QT.$${dep}.master_header)
        isEmpty(depname): \
            depname = $$eval(QT.$${dep}.name)
        MODULE_MASTER_DEPS_HEADER_CONT += "$${LITERAL_HASH}include <$$depname/$$depname>"
    }
    MODULE_MASTER_DEPS_HEADER_CONT += "$${LITERAL_HASH}endif"
    write_file($$MODULE_MASTER_DEPS_HEADER, MODULE_MASTER_DEPS_HEADER_CONT)|error("Aborting.")
    !git_build: QMAKE_DISTCLEAN += $$MODULE_MASTER_DEPS_HEADER
}
SYNCQT.HEADER_FILES += $$MODULE_MASTER_DEPS_HEADER

# Automatically enable precompiled headers for Qt modules,
# except for Gcc/Windows: Larger precompiled headers crash cc1plus.exe
# (e.g. with i686-4.8.2-release-posix-dwarf-rt_v3-rev3)
!if(gcc:equals(QMAKE_HOST.os, Windows)):!equals(TEMPLATE, aux) {
    isEmpty(PRECOMPILED_HEADER): PRECOMPILED_HEADER = $$MODULE_MASTER_DEPS_HEADER
}

CONFIG += qt_install_headers

headersclean:!internal_module {
    # Make sure that the header compiles with our strict options
    hcleanDEFS = -DQT_NO_CAST_TO_ASCII=1 \
                 -DQT_NO_CAST_FROM_ASCII=1 \
                 -DQT_STRICT_ITERATORS \
                 -DQT_NO_URL_CAST_FROM_STRING=1 \
                 -DQT_NO_CAST_FROM_BYTEARRAY=1 \
                 -DQT_NO_KEYWORDS=1 \
                 -DQT_USE_QSTRINGBUILDER \
                 -DQT_USE_FAST_OPERATOR_PLUS \
                 -Dsignals=int \
                 -Dslots=int \
                 -Demit=public: \
                 -Dforeach=public: \
                 -Dforever=public:

    gcc {
        # Turn on some extra warnings not found in -Wall -Wextra.
        # Common to GCC, Clang and ICC (and other compilers that masquerade as GCC):
        hcleanFLAGS = -Wall -Wextra -Werror \
                      -Woverloaded-virtual -Wshadow -Wundef \
                      -Wnon-virtual-dtor -Wpointer-arith -Wformat-security \
                      -Wno-long-long -Wno-variadic-macros -pedantic-errors

        intel_icc {
            # these warnings are disabled because explicit constructors with zero or
            # multiple arguments are permitted in C++11:
            # 2304: non-explicit constructor with single argument may cause implicit type conversion
            # 2305: declaration of 'explicit' constructor without a single argument is redundant
            hcleanFLAGS += -wd2304,2305
            greaterThan(QT_ICC_MAJOR_VERSION, 13) {
                # ICC 14+ has a bug with -Wshadow, emitting it for cases where there's no shadowing
                # (issue ID 0000698329, task DPD200245740)
                hcleanFLAGS -= -Wshadow
            }
        } else {
            hcleanFLAGS += -Wchar-subscripts

            !contains(QT_ARCH, arm):!contains(QT_ARCH, mips): \
                hcleanFLAGS += -Wcast-align
        }

        # Use strict mode C++11 or C++98, with no GNU extensions (see -pedantic-errors above).
        # The module might set CONFIG += c++11, but it might also change QMAKE_CXXFLAGS_CXX11
        # or the module (or the mkspec) can set the C++11 flag on QMAKE_CXXFLAGS
        # (or QMAKE_CXXFLAGS_{RELEASE,DEBUG} but that's unlikely).
        c++11:contains(QMAKE_CXXFLAGS_CXX11, -std=gnu++11) {
            hcleanFLAGS += -std=c++11
        } else: contains(QMAKE_CXXFLAGS, -std=gnu++11) {
            hcleanFLAGS += -std=c++11
        } else: c++11:contains(QMAKE_CXXFLAGS_CXX11, -std=gnu++0x) {
            hcleanFLAGS += -std=c++0x
        } else: contains(QMAKE_CXXFLAGS, -std=gnu++0x) {
            hcleanFLAGS += -std=c++0x
        } else: !c++11:!contains(QMAKE_CXXFLAGS, -std=c++0x):!contains(QMAKE_CXXFLAGS, -std=c++11) {
            hcleanFLAGS += -std=c++98
        }

        hcleanCOMMAND = $$QMAKE_CXX -c $(CXXFLAGS) $$hcleanFLAGS $(INCPATH) $$hcleanDEFS -xc++ ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
    } else: win32-msvc2013 {
        # 4180: qualifier applied to function type has no meaning; ignored
        # 4458: declaration of 'identifier' hides class member
        # -Za enables strict standards behavior, but we can't add it because
        # <windows.h> and <GL.h> violate the standards.
        hcleanFLAGS = -WX -W3 -wd4180 -wd4458
        hcleanCOMMAND = $$QMAKE_CXX -c $(CXXFLAGS) $$hcleanFLAGS $(INCPATH) $$hcleanDEFS -FI${QMAKE_FILE_IN} -Fo${QMAKE_FILE_OUT} \
                        $$[QT_INSTALL_DATA/src]/mkspecs/features/data/dummy.cpp
    }

    !isEmpty(hcleanCOMMAND):if(!contains(QT_CONFIG, debug_and_release)|CONFIG(release, debug|release)) {
        header_check.dependency_type = TYPE_C
        header_check.CONFIG += no_link
        header_check.output = ${QMAKE_VAR_OBJECTS_DIR}header_${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
        header_check.input = SYNCQT.CLEAN_HEADER_FILES
        header_check.variable_out = PRE_TARGETDEPS
        header_check.name = headercheck ${QMAKE_FILE_IN}
        header_check.commands = $$hcleanCOMMAND
        silent:header_check.commands = @echo compiling[header] ${QMAKE_FILE_IN} && $$hcleanCOMMAND
        QMAKE_EXTRA_COMPILERS += header_check
        SYNCQT.CLEAN_HEADER_FILES -= $$HEADERSCLEAN_EXCLUDE
    }
    unset(hcleanCOMMAND)
    unset(hcleanFLAGS)
    unset(hcleanDEFS)
}