diff --git a/CMakeScripts/Toolchain-cross-m32.cmake b/CMakeScripts/Toolchain-cross-m32.cmake new file mode 100644 index 00000000..684cab78 --- /dev/null +++ b/CMakeScripts/Toolchain-cross-m32.cmake @@ -0,0 +1,51 @@ +SET(CMAKE_C_FLAGS "-m32" CACHE STRING "C compiler flags" FORCE) +SET(CMAKE_CXX_FLAGS "-m32" CACHE STRING "C++ compiler flags" FORCE) + +SET(LIB32 /usr/lib) # Fedora + +IF(EXISTS /usr/lib32) + SET(LIB32 /usr/lib32) # Arch, Solus +ENDIF() + +SET(CMAKE_SYSTEM_LIBRARY_PATH ${LIB32} CACHE STRING "system library search path" FORCE) +SET(CMAKE_LIBRARY_PATH ${LIB32} CACHE STRING "library search path" FORCE) + +# this is probably unlikely to be needed, but just in case +SET(CMAKE_EXE_LINKER_FLAGS "-m32 -L${LIB32}" CACHE STRING "executable linker flags" FORCE) +SET(CMAKE_SHARED_LINKER_FLAGS "-m32 -L${LIB32}" CACHE STRING "shared library linker flags" FORCE) +SET(CMAKE_MODULE_LINKER_FLAGS "-m32 -L${LIB32}" CACHE STRING "module linker flags" FORCE) + +# find Wx config script on Fedora for the highest version of 32 bit Wx installed +IF(EXISTS ${LIB32}/wx/config) + FILE(GLOB WX_INSTALLS ${LIB32}/wx/config/*) + + SET(MAX_WX_VERSION 0.0) + FOREACH(WX_INSTALL ${WX_INSTALLS}) + STRING(REGEX MATCH "[0-9]+(\\.[0-9]+)+\$" WX_VERSION ${WX_INSTALL}) + + IF(WX_VERSION VERSION_GREATER MAX_WX_VERSION) + SET(MAX_WX_VERSION ${WX_VERSION}) + ENDIF() + ENDFOREACH() + + FILE(GLOB WX_INSTALL_CONFIGS "${LIB32}/wx/config/*${MAX_WX_VERSION}") + LIST(GET WX_INSTALL_CONFIGS 0 WX_INSTALL_CONFIG) + + SET(WX_CONFIG_TRANSFORM_SCRIPT_LINES + "" + ) + FILE(WRITE ${CMAKE_BINARY_DIR}/wx-config-wrapper +"#!/bin/sh +${WX_INSTALL_CONFIG} \"\$@\" | sed 's!/emul32/!/usr/!g' +") + EXECUTE_PROCESS(COMMAND chmod +x ${CMAKE_BINARY_DIR}/wx-config-wrapper) + + SET(wxWidgets_CONFIG_EXECUTABLE ${CMAKE_BINARY_DIR}/wx-config-wrapper) +ENDIF() + +# on Fedora and Arch and similar, point pkgconfig at 32 bit .pc files. We have +# to include the regular system .pc files as well (at the end), because some +# are not always present in the 32 bit directory +IF(EXISTS ${LIB32}/pkgconfig) + SET(ENV{PKG_CONFIG_LIBDIR} ${LIB32}/pkgconfig:/usr/share/pkgconfig:/usr/lib/pkgconfig:/usr/lib64/pkgconfig) +ENDIF() diff --git a/README.md b/README.md index e1133349..518b3561 100644 --- a/README.md +++ b/README.md @@ -62,6 +62,12 @@ to (usually 2 or 3). Support for more OSes/distributions for `./installdeps` is planned. +## Cross compiling for 32 bit on a 64 bit host + +`./installdeps m32` will set things up to build a 32 bit binary. + +This is supported on Fedora, Arch, Solus and MSYS2. + ## Cross Compiling for Win32 `./installdeps` takes one optional parameter for cross-compiling target, which diff --git a/installdeps b/installdeps index 6d0b4253..1a9690de 100755 --- a/installdeps +++ b/installdeps @@ -33,10 +33,7 @@ main() { Darwin) osx_installdeps ;; - MSYS*) - error 'You must run this program from a MINGW 32 bit or 64 bit shell, not the MSYS shell' - ;; - MINGW*) + MINGW*|MSYS*) msys2_installdeps ;; *) @@ -68,18 +65,23 @@ host OS. This program may require sudo. A cross-compile target may be specified as the only parameter, of either -win32, MinGW-w64-i686 or MinGW-w64-x86_64. -win32 is an alias for MinGW-w64-i686. -This is only supported on Debian/Ubuntu, Arch Linux and MSYS2. +m32 which targets the host in 32 bit mode (e.g. x86 on an amd64 +host) or win32, MinGW-w64-i686 or +MinGW-w64-x86_64. win32 is an alias for +MinGW-w64-i686 to target Windows via MinGW. Cross compiling for +Windows is only supported on Debian/Ubuntu, Fedora, Arch Linux and MSYS2. On MSYS2 dependencies are installed for 32 or 64 bit native Windows targets based on which shell you started (the value of $MSYSTEM) unless you specify one -or the other. MSYS2 POSIX layer builds are not supported. +or the other. You can specify a cross target of m32 or +m64 as aliases for the 32 bit or 64 bit targets respectively. +MSYS2 POSIX layer builds are not supported. -h, --help, --usage Show this help screen and exit. Examples: ./installdeps # install dependencies for a host build + ./installdeps m32 # make a 32 bit binary for the host OS ./installdeps win32 # cross-compile for 32 bit windows (Debian/Ubuntu, Arch Linux or MSYS2) ./installdeps MinGW-w64-i686 # likewise ./installdeps MinGW-w64-x86_64 # cross-compile for 64 bit windows (Debian/Ubuntu, Arch Linux or MSYS2) @@ -103,7 +105,7 @@ info_msg() { } installing() { - echo 'Installing deps....' + echo 'Installing deps...' echo } @@ -153,6 +155,8 @@ linux_installdeps() { } check_cross() { + target=$(echo "$target" | tr 'A-Z' 'a-z') + if [ -z "$target" ]; then if [ -n "$msys2" ]; then case "$MSYSTEM" in @@ -162,6 +166,9 @@ check_cross() { MINGW64) target='mingw-w64-x86_64' ;; + MSYS) + error 'host builds in MSYS mode are not supported, supply a target or start a MINGW shell' + ;; *) error 'unknown value for $MSYSTEM: '"$MSYSTEM"' ' ;; @@ -171,27 +178,49 @@ check_cross() { fi fi - if [ -z "$arch_linux" -a -z "$msys2" -a -z "$debian" -a -z "$fedora" ]; then - error 'cross compiling targets are only supported on Debian/Ubuntu, Fedora, Arch Linux and MSYS2 at the moment' - fi - - target=$(echo "$target" | tr 'A-Z' 'a-z') - case "$target" in - win32) - target='mingw-w64-i686' + win32|mingw*) + if [ -z "$arch_linux" -a -z "$msys2" -a -z "$debian" -a -z "$fedora" ]; then + error 'win32 cross compiling targets are only supported on Debian/Ubuntu, Fedora, Arch and MSYS2 at the moment' + fi + + case "$target" in + win32) + target='mingw-w64-i686' + ;; + mingw-w64-i686) + ;; + mingw-w64-x86_64) + ;; + *) + error "target must be one of 'm32', 'win32', 'MinGW-w64-i686' or 'MinGW-w64-x86_64'" + ;; + esac + + # get the necessary win32 headers + check git submodule update --init --recursive ;; - mingw-w64-i686) + m32) + if [ -z "$msys2" -a -z "$fedora" -a -z "$arch_linux" -a -z "$solus" ]; then + error '32 bit builds are only supported on Fedora, Arch, Solus and MSYS2 at the moment' + fi + + if [ -n "$msys2" ]; then + target='mingw-w64-i686' + else + cmake_flags="$cmake_flags -DCMAKE_TOOLCHAIN_FILE=../CMakeScripts/Toolchain-cross-m32.cmake" + fi ;; - mingw-w64-x86_64) + m64) + if [ -z "$msys2" ]; then + error '64 bit cross target only supported on MSYS2 at the moment' + fi + target='mingw-w64-x86_64' ;; *) - error "target must be one of 'MinGW-w64-i686' or 'MinGW-w64-x86_64'" + error "unknown cross target: '$target' " ;; esac - - # all good, get the necessary win32 headers - check git submodule update --init --recursive } debian_installdeps() { @@ -246,50 +275,73 @@ fedora_installdeps() { warning= + # using --nogpgcheck with dnf because keys can be a problem on rawhide + # make sure rpmfusion is installed for ffmpeg - check sudo su -c 'dnf -y install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm' + check sudo su -c 'dnf -y --nogpgcheck install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm https://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-$(rpm -E %fedora).noarch.rpm' # non-multiarch packages first - check sudo dnf -y install gcc gcc-c++ make cmake git nasm redhat-rpm-config pkgconfig + check sudo dnf -y --nogpgcheck --best --allowerasing install gcc gcc-c++ make cmake git nasm redhat-rpm-config pkgconfig - # older fedora has separate 32 bit and 64 bit pkgconfig packages - # try to install both, ignoring errors + # try to install multiarch libgcc, glibc-devel and pkgconfig if available if [ -n "$amd64" ]; then - sudo dnf -y install pkgconfig.x86_64 >/dev/null 2>&1 - sudo dnf -y install pkgconfig.i686 >/dev/null 2>&1 + for pkg in pkgconfig libgcc glibc-devel; do + if [ "$target" = m32 ]; then + sudo dnf -y --nogpgcheck --best --allowerasing install "$pkg".i686 + else + sudo dnf -y --nogpgcheck --best --allowerasing install "$pkg".x86_64 + fi + done fi set -- - if [ -z "$target" ]; then + if [ -z "$target" -o "$target" = m32 ]; then # try to install both 64 bit and 32 bit versions on 64 bit hosts (see below) if [ -n "$amd64" ]; then # this is sometimes necessary for rawhide set -- --exclude='glibc32*' fi - for pkg in zlib-devel mesa-libGL-devel ffmpeg-devel gettext-devel libpng-devel SDL2-devel SFML-devel openal-soft-devel wxGTK3-devel gtk2-devel gtk3-devel; do + for pkg in zlib-devel mesa-libGL-devel ffmpeg-devel gettext-devel libpng-devel SDL2-devel SFML-devel openal-soft-devel wxGTK3-devel cairo-devel gtk2-devel gtk3-devel; do if [ -n "$amd64" ]; then - set -- "$@" "${pkg}.x86_64" "${pkg}.i686" + if [ "$target" = m32 ]; then + set -- "$@" "${pkg}.i686" + else + set -- "$@" "${pkg}.x86_64" + fi else set -- "$@" "$pkg" fi done + + # fedora has a bug where all necessary -devel packages are not pulled in for 32 bit direct -devel deps + # this hacks adds them to the list + if [ -n "$amd64" -a "$target" = m32 ]; then + info_msg 'Calculating dependencies, this will take a while..' + curdeps= + newdeps=$@ + while [ "$curdeps" != "$newdeps" ]; do + curdeps=$newdeps + set -- $(echo "$@" $(sudo dnf -y --nogpgcheck repoquery --deplist "$@" 2>/dev/null | sed -n 's/\.x86_64$/.i686/; s/^ *provider: *\([^ ]*-devel-.*\)$/\1/p' | sort -u) | sed 's/ */\n/g' | sort -u) + newdeps=$@ + done + fi else # mingw build set -- "$@" pkgconfig case "$target" in mingw-w64-i686) target=mingw32 - cmake_flags='-DCMAKE_TOOLCHAIN_FILE=../CMakeScripts/Toolchain-cross-MinGW-w64-i686.cmake -DENABLE_LINK=NO' + cmake_flags="$cmake_flags -DCMAKE_TOOLCHAIN_FILE=../CMakeScripts/Toolchain-cross-MinGW-w64-i686.cmake -DENABLE_LINK=NO" ;; mingw-w64-x86_64) target=mingw64 - cmake_flags='-DCMAKE_TOOLCHAIN_FILE=../CMakeScripts/Toolchain-cross-MinGW-w64-x86_64.cmake -DENABLE_LINK=NO' + cmake_flags="$cmake_flags -DCMAKE_TOOLCHAIN_FILE=../CMakeScripts/Toolchain-cross-MinGW-w64-x86_64.cmake -DENABLE_LINK=NO" ;; *) error 'unknown cross target (this should not happen)' ;; esac # install static deps - for pkg in zlib gettext libpng SDL2 wxWidgets; do + for pkg in zlib gettext libpng SDL2 wxWidgets cairo; do set -- "$@" "${target}-${pkg}-static" done # install deps that are not available as static @@ -300,26 +352,30 @@ fedora_installdeps() { warning='SFML is required for LINK support, Fedora does not currently have a MinGW SFML package, if you want LINK support you will need to install it manually' fi - if ! sudo dnf -y install "$@"; then - if [ -n "$amd64" ]; then - # try without 32 bit packages, this is a problem on rawhide currently - warning 'installing 32 bit packages failed, trying to install 64 bit only packages...' - unset amd64 - fedora_installdeps - return $? - else - error 'installing dependencies for Fedora failed' NOQUIT - echo 'The failing command was:' - echo sudo dnf -y install "$@" - quit 1 - fi - fi + check sudo dnf -y --nogpgcheck --best --allowerasing install "$@" - warning "$warning" + [ -n "$warning" ] && warning "$warning" build_instructions } +archlinux_require_yaourt() { + if ! command -v yaourt >/dev/null; then + ( + cd "$tmp" + git clone https://aur.archlinux.org/package-query.git + cd package-query + makepkg --noconfirm -si + cd .. + git clone https://aur.archlinux.org/yaourt.git + cd yaourt + makepkg --noconfirm -si + ) + [ $? -ne 0 ] && error 'could not install yaourt' + fi + pacman='yaourt --aur --m-arg=--skipinteg' +} + archlinux_installdeps() { arch_linux=1 @@ -339,17 +395,52 @@ archlinux_installdeps() { # update catalogs check $pacman -Sy - if [ -z "$target" ]; then - # native build - check $pacman --noconfirm --needed -S base-devel "$gcc_pkg" nasm zlib mesa cairo cmake ffmpeg gettext libpng pkg-config sdl2 sfml openal wxgtk gtk2 gtk3 + # common needed dev packages + # not using the base-devel group because it can break gcc-multilib + check $pacman --noconfirm --needed -S binutils file grep gawk gzip libtool make patch sed util-linux nasm cmake pkg-config git + + libs="zlib mesa cairo gettext libpng sdl2 openal wxgtk gtk2 gtk3 sfml ffmpeg" + + if [ -z "$target" -o "$target" = m32 ]; then + if [ -z "$target" -o -z "$amd64" ]; then + # native build + check $pacman --noconfirm --needed -S "$gcc_pkg" $libs + else + # try to build 32 bit binaries + + # lib32-sfml and lib32-ffmpeg are in AUR + archlinux_require_yaourt + + # enable multilib repos if not enabled + cp /etc/pacman.conf ${tmp}/pacman.conf + cat <<'EOF' >> ${tmp}/pacman.conf +[multilib-testing] +Include = /etc/pacman.d/mirrorlist +[multilib] +Include = /etc/pacman.d/mirrorlist +EOF + pacman="$pacman --config ${tmp}/pacman.conf" + + # pull in multilib repo info + $pacman -Sy + + yes | check $pacman --needed -S gcc-multilib + + libs32= + for lib in $libs; do + libs32="$libs32 lib32-$lib" + done + + check $pacman --noconfirm --needed -S $libs32 + fi else # windows cross build case "$target" in *i686*) - cmake_flags='-DCMAKE_TOOLCHAIN_FILE=../CMakeScripts/Toolchain-cross-MinGW-w64-i686.cmake -DENABLE_LINK=NO' + cmake_flags="$cmake_flags -DCMAKE_TOOLCHAIN_FILE=../CMakeScripts/Toolchain-cross-MinGW-w64-i686.cmake -DENABLE_LINK=NO" ;; *x86_64*) - cmake_flags='-DCMAKE_TOOLCHAIN_FILE=../CMakeScripts/Toolchain-cross-MinGW-w64-x86_64.cmake -DENABLE_LINK=NO' + cmake_flags="$cmake_flags -DCMAKE_TOOLCHAIN_FILE=../CMakeScripts/Toolchain-cross-MinGW-w64-x86_64.cmake -DENABLE_LINK=NO" ;; *) # this will never be reached, it's checked in check_cross() @@ -357,24 +448,9 @@ archlinux_installdeps() { ;; esac - # base devel packages - check $pacman --noconfirm --needed -S base-devel "$gcc_pkg" nasm cmake git + check $pacman --noconfirm --needed -S "$gcc_pkg" - # now install yaourt if we don't have it - if ! command -v yaourt >/dev/null; then - ( - cd "$tmp" - git clone https://aur.archlinux.org/package-query.git - cd package-query - makepkg --noconfirm -si - cd .. - git clone https://aur.archlinux.org/yaourt.git - cd yaourt - makepkg --noconfirm -si - ) - [ $? -ne 0 ] && error 'could not install yaourt' - fi - pacman='yaourt --aur --m-arg=--skipinteg' + archlinux_require_yaourt pkg_prefix='mingw-w64-' @@ -429,8 +505,62 @@ archlinux_installdeps() { } solus_installdeps() { + solus=1 + + check_cross + installing + + check sudo eopkg -y update-repo check sudo eopkg -y install -c system.devel - check sudo eopkg -y install git ffmpeg-devel sdl2-devel SFML-devel openal-soft-devel wxwidgets-devel libgtk-2-devel libgtk-3-devel + check sudo eopkg -y install git + + set -- sdl2-devel openal-soft-devel wxwidgets-devel libgtk-2-devel libgtk-3-devel + if [ -n "$amd64" -a "$target" = m32 ]; then + info_msg 'Calculating dependencies, this will take a while..' + + # first expand all dep lists recursively + curdeps= + newdeps=$@ + while [ "$curdeps" != "$newdeps" ]; do + curdeps=$newdeps + set -- $(echo "$@" $(sudo eopkg info "$@" 2>/dev/null | sed -n 's/^Dependencies *: *\(.*\)/\1/p' | sort -u) | sed 's/ */\n/g' | sort -u) + newdeps=$@ + done + + # transform to 32bit package names + first=1 + for pkg in "$@"; do + if [ "$first" = 1 ]; then + set -- + first=0 + fi + set -- "$@" "${pkg%-devel}-32bit-devel" + done + + # prune the ones that don't exist + first=1 + for pkg in "$@"; do + if [ "$first" = 1 ]; then + set -- + first=0 + fi + if ! sudo eopkg info "$pkg" | grep -q 'not found in binary repositories'; then + set -- "$@" "$pkg" + fi + done + else + # no 32bit versions of these + set -- "$@" SFML-devel ffmpeg-devel + fi + + check sudo eopkg -y install "$@" + + if [ -n "$amd64" -a "$target" = m32 ]; then + warning 'SFML is required for LINK support, there is no 32 bit SFML package in Solus currently, if you want LINK support you will need to install it manually' + warning 'ffmpeg is required for game recording, there is no 32 bit ffmpeg package in Solus currently, you may wish to install it manually' + + cmake_flags="$cmake_flags -DENABLE_LINK=NO -DENABLE_FFMPEG=NO" + fi build_instructions } @@ -446,15 +576,29 @@ msys2_installdeps() { set -- for p in SDL2 cairo ffmpeg openal sfml wxWidgets zlib binutils cmake crt-git extra-cmake-modules gcc gcc-libs gdb headers-git make pkg-config tools-git windows-default-manifest libmangle-git nasm; do - if ! pacman -Q "${target}-${p}" >/dev/null 2>&1; then - set -- "$@" "${target}-${p}" - fi + set -- "$@" "${target}-${p}" done # install check pacman --noconfirm --needed -S git make zip "$@" - cmake_flags="-G 'MSYS Makefiles'" + cmake_flags="$cmake_flags -G 'MSYS Makefiles'" + + if [ "$MSYSTEM" = MSYS ]; then + case "$target" in + *i686) + pre_build=\ +"MSYSTEM=MINGW32 bash -l +cd $(pwd)" + ;; + *x86_64) + pre_build=\ +"MSYSTEM=MINGW64 bash -l +cd $(pwd)" + ;; + esac + post_build=exit + fi build_instructions } @@ -517,7 +661,7 @@ fink_installdeps() { warning 'SFML is required for LINK support, there is currently no SFML package for Fink, if you want LINK support you will need to install it manually' - cmake_flags='-DENABLE_LINK=NO' + cmake_flags="$cmake_flags -DENABLE_LINK=NO" build_instructions } @@ -527,9 +671,12 @@ build_instructions() { Done! To build do: -mkdir build && cd build +$pre_build +mkdir -p build && cd build $cmake .. $cmake_flags make -j8 +$post_build + EOF } diff --git a/src/wx/CMakeLists.txt b/src/wx/CMakeLists.txt index 4906dd3c..efd012ae 100644 --- a/src/wx/CMakeLists.txt +++ b/src/wx/CMakeLists.txt @@ -87,7 +87,7 @@ ENDFOREACH() # check if this build of wx actually has OpenGL support -SET(CMAKE_REQUIRED_LIBRARIES ${MY_CXX_FLAGS} ${MY_C_FLAGS} ${MY_CXX_LINKER_FLAGS} ${MY_C_LINKER_FLAGS} ${CMAKE_REQUIRED_LIBRARIES} ${wxWidgets_LIBRARIES}) +SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${MY_CXX_FLAGS} ${MY_C_FLAGS} ${MY_CXX_LINKER_FLAGS} ${MY_C_LINKER_FLAGS} ${wxWidgets_LIBRARIES}) SET(CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS} ${wxWidgets_CXX_FLAGS} ${MY_CXX_FLAGS} ${MY_C_FLAGS}) SET(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${wxWidgets_INCLUDE_DIRS}) @@ -97,7 +97,7 @@ FOREACH(DEF ${wxWidgets_DEFINITIONS}) ENDFOREACH() # CheckCXXSourceCompiles ignores compiler flags, so we have to stuff them into the definitions -SET(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} ${CMAKE_REQUIRED_FLAGS}) +SET(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_FLAGS} ${CMAKE_REQUIRED_DEFINITIONS}) INCLUDE(CheckCXXSourceCompiles) @@ -171,13 +171,23 @@ IF(NOT WIN32 AND NOT APPLE) ELSE() CHECK_CXX_SYMBOL_EXISTS(__WXGTK20__ ${WX_CONFIG_H} WX_USING_GTK2) IF(WX_USING_GTK2) - FIND_PACKAGE(GTK2 REQUIRED gtk) - IF(NOT GTK2_INCLUDE_DIRS) - MESSAGE(FATAL_ERROR "Could not find gtk2") + # try to use pkg-config to find gtk2 first + PKG_CHECK_MODULES(GTK2 REQUIRED gtk+-2.0) + IF(GTK2_INCLUDE_DIRS) + INCLUDE_DIRECTORIES(${GTK2_INCLUDE_DIRS}) + LINK_DIRECTORIES(${GTK2_LIBRARY_DIRS}) + ADD_COMPILE_OPTIONS(${GTK2_CFLAGS_OTHER}) + SET(GTK_LIBRARIES ${GTK2_LIBRARIES}) + ELSE() + # and if that fails, use the cmake module + FIND_PACKAGE(GTK2 REQUIRED gtk) + IF(NOT GTK2_INCLUDE_DIRS) + MESSAGE(FATAL_ERROR "Could not find gtk2") + ENDIF() + INCLUDE_DIRECTORIES(${GTK2_INCLUDE_DIRS}) + ADD_COMPILE_OPTIONS(${GTK2_DEFINITIONS}) + SET(GTK_LIBRARIES ${GTK2_LIBRARIES}) ENDIF() - INCLUDE_DIRECTORIES(${GTK2_INCLUDE_DIRS}) - ADD_COMPILE_OPTIONS(${GTK2_DEFINITIONS}) - SET(GTK_LIBRARIES ${GTK2_LIBRARIES}) ELSE() FIND_PACKAGE(GTK REQUIRED gtk) IF(NOT GTK_INCLUDE_DIRS)