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include(PkgConfigWithFallback)
find_pkg_config_with_fallback(GTK4
PKG_CONFIG_NAME gtk4
LIB_NAMES gtk-4
INCLUDE_NAMES gtk/gtk.h
INCLUDE_DIR_SUFFIXES gtk-4.0 gtk-4.0/include gtk+-4.0 gtk+-4.0/include gtk4 gtk4/include
)
if(GTK4_FOUND AND NOT GTK4_VERSION)
find_file(GTK4_VERSION_HEADER "gtk/gtkversion.h" HINTS ${GTK4_INCLUDE_DIRS})
mark_as_advanced(GTK4_VERSION_HEADER)
if(GTK4_VERSION_HEADER)
file(STRINGS "${GTK4_VERSION_HEADER}" GTK4_MAJOR_VERSION REGEX "^#define GTK_MAJOR_VERSION +\\(?([0-9]+)\\)?$")
string(REGEX REPLACE "^#define GTK_MAJOR_VERSION \\(?([0-9]+)\\)?$" "\\1" GTK4_MAJOR_VERSION "${GTK4_MAJOR_VERSION}")
file(STRINGS "${GTK4_VERSION_HEADER}" GTK4_MINOR_VERSION REGEX "^#define GTK_MINOR_VERSION +\\(?([0-9]+)\\)?$")
string(REGEX REPLACE "^#define GTK_MINOR_VERSION \\(?([0-9]+)\\)?$" "\\1" GTK4_MINOR_VERSION "${GTK4_MINOR_VERSION}")
file(STRINGS "${GTK4_VERSION_HEADER}" GTK4_MICRO_VERSION REGEX "^#define GTK_MICRO_VERSION +\\(?([0-9]+)\\)?$")
string(REGEX REPLACE "^#define GTK_MICRO_VERSION \\(?([0-9]+)\\)?$" "\\1" GTK4_MICRO_VERSION "${GTK4_MICRO_VERSION}")
set(GTK4_VERSION "${GTK4_MAJOR_VERSION}.${GTK4_MINOR_VERSION}.${GTK4_MICRO_VERSION}")
unset(GTK4_MAJOR_VERSION)
unset(GTK4_MINOR_VERSION)
unset(GTK4_MICRO_VERSION)
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GTK4
REQUIRED_VARS GTK4_LIBRARY
VERSION_VAR GTK4_VERSION)
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