# Set default arch/build.  A default version is not needed since
# package versions are determined by their source tarvall.

[ -z $BUILD ] && export BUILD=1
[ -z $TAG ] && export TAG=alien

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$(uname -m)" in
    i?86) ARCH=i686 ;;
    arm*) ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
    *) ARCH=$(uname -m) ;;
  esac
  export ARCH
fi

[ -z $PKGARCH ] && export PKGARCH=$ARCH

# Use this as CFLAGS and CXXFLAGS:
if [ -z "$SLKCFLAGS" ]; then
  if [ "$ARCH" = "i586" ]; then
    export SLKCFLAGS="-O2 -march=i586 -mtune=i686"
    export LIBDIRSUFFIX=""
  elif [ "$ARCH" = "i686" ]; then
    export SLKCFLAGS="-O2 -march=pentium4 -mtune=generic"
    export LIBDIRSUFFIX=""
  elif [ "$ARCH" = "x86_64" ]; then
    export SLKCFLAGS="-O2 -march=x86-64 -mtune=generic -fPIC"
    export LIBDIRSUFFIX="64"
  elif [ "$ARCH" = "arm" ]; then
    export SLKCFLAGS="-O2 -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=hard"
    export LIBDIRSUFFIX=""
  elif [ "$ARCH" = "aarch64" ]; then
    export SLKCFLAGS="-O2 -fPIC"
    export LIBDIRSUFFIX="64"
  else
    export SLKCFLAGS="-O2"
    export LIBDIRSUFFIX=""
  fi
fi

# Use this to set the number of parallel make jobs:
NUMJOBS=${NUMJOBS:-" -j $(expr $(nproc) + 1) "}
export NUMJOBS

# Additional cmake flags that are spanned across the KDE modules
# Do not use "final build" unless we build an actual release.
export KDE_OPT_ARGS=" \
  -DSITE=\"slackware.com\" \
  -DKDE_DISTRIBUTION_TEXT=\"volkerdi@slackware.com\" \
  -DBUILD_TESTING=OFF \
  -DKDE_PLATFORM_FEATURE_DISABLE_DEPRECATED=TRUE \
 "

# Qt5 specific flags:
export KDE_QT5_ARGS=(
  -DQT_MAJOR_VERSION=5
  -DBUILD_QT6:BOOL=OFF
  -DBUILD_QT5:BOOL=ON
  -DQT_PLUGINS_DIR=lib$LIBDIRSUFFIX/qt5/plugins
  -DQT_PLUGIN_INSTALL_DIR=lib$LIBDIRSUFFIX/qt5/plugins
  -DQML_INSTALL_DIR=lib$LIBDIRSUFFIX/qt5/qml
)

# Qt6 specific flags:
export KDE_QT6_ARGS=(
  -DQT_MAJOR_VERSION=6
  -DQT_VERSION_MAJOR=6
  -DBUILD_WITH_QT6:BOOL=ON
  -DBUILD_QT6:BOOL=ON
  -DUSE_QT6=ON \
  -DBUILD_QT5:BOOL=OFF
  -DQT_PLUGINS_DIR=lib$LIBDIRSUFFIX/qt6/plugins
  -DQT_PLUGIN_INSTALL_DIR=lib$LIBDIRSUFFIX/qt6/plugins
  -DQML_INSTALL_DIR=lib$LIBDIRSUFFIX/qt6/qml
)

# Double-quoting required because $SLKCFLAGS contains spaces:
export KDE_BUILD_ARGS=(
  -DCMAKE_BUILD_TYPE=Release
  "-DCMAKE_C_FLAGS:STRING=$SLKCFLAGS"
  "-DCMAKE_C_FLAGS_RELEASE:STRING=$SLKCFLAGS"
  "-DCMAKE_CXX_FLAGS:STRING=$SLKCFLAGS"
  "-DCMAKE_CXX_FLAGS_RELEASE:STRING=$SLKCFLAGS"
  -DCMAKE_INSTALL_PREFIX=/usr
  -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX
  -DKDE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX
  -DCMAKE_INSTALL_MANDIR=/usr/man
  -DKDE_INSTALL_MANDIR=/usr/man
  -DMAN_INSTALL_DIR=/usr/man \
  -DCMAKE_INSTALL_SYSCONFDIR=/etc
  -DKDE_INSTALL_SYSCONFDIR=/etc
  -DCMAKE_INSTALL_LIBEXECDIR=/usr/libexec
  -DKDE_INSTALL_LIBEXECDIR=/usr/libexec
  -DKDE_INSTALL_USE_QT_SYS_PATHS=ON
  -DLIB_SUFFIX=${LIBDIRSUFFIX}
  -DBUILD_PYTHON_BINDINGS=OFF
  -DBUILD_SHARED_LIBS=ON \
  -DPYTHON_EXECUTABLE=/usr/bin/python3 \
  -Wno-dev
 )