#
# Global settings
#
# Set some C constructs to be diagnosed as errors:
#  - calling implicit functions
#  - casting from integers to pointers or vice-versa without an explicit cast
# Also turn on C99 mode with GNU extensions
*-g++*: QMAKE_CFLAGS += -Werror=int-to-pointer-cast -Werror=pointer-to-int-cast -Werror=implicit-int 

# these warnings are in general just wrong and annoying - but should be
# turned on every once in a while in case they do show the occasional
# actual bug
*-g++* | *-clang*: QMAKE_CFLAGS += -Wno-unused-result -Wno-pointer-sign -fno-strict-overflow
*-g++*: QMAKE_CFLAGS += -Wno-maybe-uninitialized
*-clang*: QMAKE_CFLAGS += -Wno-format-security
*-g++*: QMAKE_CXXFLAGS += -Wno-maybe-uninitialized -fno-strict-overflow


!win32-msvc*: QMAKE_CFLAGS += -std=gnu99

# Don't turn warnings on (but don't suppress them either)
CONFIG -= warn_on warn_off

# Turn exceptions off
!win32-msvc*: QMAKE_CXXFLAGS += -fno-exceptions
CONFIG += exceptions_off

# Check if we have pkg-config
equals($$QMAKE_HOST.os, "Windows"):NUL=NUL
else:NUL=/dev/null
PKG_CONFIG_OUT = $$system(pkg-config --version 2> $$NUL)
!isEmpty(PKG_CONFIG_OUT) {
    CONFIG += link_pkgconfig
} else {
    message("pkg-config not found, no detection performed. See README for details")
}

#
# Find libdivecomputer
#
!isEmpty(LIBDCDEVEL) {
    # find it next to our sources
    INCLUDEPATH += ../libdivecomputer/include
    LIBS += ../libdivecomputer/src/.libs/libdivecomputer.a
    LIBDC_LA = ../libdivecomputer/src/libdivecomputer.la
} else:exists(/usr/local/lib/libdivecomputer.a) {
    LIBS += /usr/local/lib/libdivecomputer.a
    LIBDC_LA = /usr/local/lib/libdivecomputer.la
} else:exists(/usr/local/lib64/libdivecomputer.a) {
    LIBS += /usr/local/lib64/libdivecomputer.a
    LIBDC_LA = /usr/local/lib64/libdivecomputer.la
} else:link_pkgconfig {
    # find it via pkg-config, but we need to pass the --static flag,
    # so we can't use the PKGCONFIG variable.
    LIBS += $$system("pkg-config --static --libs libdivecomputer")
    LIBDC_CFLAGS = $$system("pkg-config --static --cflags libdivecomputer")
    QMAKE_CFLAGS += $$LIBDC_CFLAGS
    QMAKE_CXXFLAGS += $$LIBDC_CFLAGS
    unset(LIBDC_CFLAGS)
}

!isEmpty(LIBDC_LA):exists($$LIBDC_LA) {
    # Source the libtool .la file to get the dependent libs
    LIBS += $$system(". $$LIBDC_LA && echo \$dependency_libs")
    unset(LIBDC_LA)
}

#
# Find libxml2 and libxslt
#
# They come with shell scripts that contain the information we need, so we just
# run them. They also come with pkg-config files, but those are missing on
# Mac (where they are part of the XCode-supplied tools).
#
XML2_CFLAGS = $$system(xml2-config --cflags 2>$$NUL)
XSLT_CFLAGS = $$system(xslt-config --cflags 2>$$NUL)
XML2_LIBS = $$system(xml2-config --libs 2>$$NUL)
XSLT_LIBS = $$system(xslt-config --libs 2>$$NUL)

link_pkgconfig {
    isEmpty(XML2_CFLAGS)|isEmpty(XML2_LIBS) {
        XML2_CFLAGS = $$system(pkg-config --cflags libxml2 2> $$NUL)
        XML2_LIBS = $$system(pkg-config --libs libxml2 2> $$NUL)
    }
    isEmpty(XSLT_CFLAGS)|isEmpty(XSLT_LIBS) {
        XSLT_CFLAGS = $$system(pkg-config --cflags libxslt 2> $$NUL)
        XSLT_LIBS = $$system(pkg-config --libs libxslt 2> $$NUL)
    }
    isEmpty(XML2_CFLAGS)|isEmpty(XML2_LIBS): \
        error("Could not find libxml2. Did you forget to install it?")
    isEmpty(XSLT_CFLAGS)|isEmpty(XSLT_LIBS): \
        error("Could not find libxslt. Did you forget to install it?")
}

QMAKE_CFLAGS *= $$XML2_CFLAGS $$XSLT_CFLAGS
QMAKE_CXXFLAGS *= $$XML2_CFLAGS $$XSLT_CFLAGS
LIBS *= $$XML2_LIBS $$XSLT_LIBS

#
# Find other pkg-config-based projects
# We're searching for:
#  libzip
#  sqlite3
link_pkgconfig: PKGCONFIG += libzip sqlite3

# Add libiconv if needed
link_pkgconfig: packagesExist(libiconv): PKGCONFIG += libiconv

#
# Find libmarble
#
# Before Marble 4.9, the GeoDataTreeModel.h header wasn't installed
# Check if it's present by trying to compile
# ### FIXME: implement that
win32: CONFIG(debug, debug|release): LIBS += -lmarblewidgetd
else: LIBS += -lmarblewidget

#
# Platform-specific changes
#
win32 {
    LIBS += -lwsock32
    DEFINES -= UNICODE
}

#
# misc
#
!equals(V, 1): !win32: CONFIG += silent
MOC_DIR = .moc
UI_DIR = .uic
RCC_DIR = .rcc
OBJECTS_DIR = .obj