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# This is called by cmake as an extermal process from
# ./src/CMakeLists.txt and creates inkscape-version.cpp
#
# These variables are defined by the caller, matching the CMake equivilents.
# - ${INKSCAPE_SOURCE_DIR}
# - ${INKSCAPE_BINARY_DIR}
# We should extract the version from build.xml
# but for now just hard code
set(INKSCAPE_REVISION "unknown")
if(EXISTS ${INKSCAPE_SOURCE_DIR}/.bzr/)
execute_process(COMMAND
bzr revno --tree ${INKSCAPE_SOURCE_DIR}
OUTPUT_VARIABLE INKSCAPE_REVISION
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
file(WRITE
${INKSCAPE_BINARY_DIR}/src/inkscape-version.cpp.txt
# unlike autoconf, include config.h
"#ifdef HAVE_CONFIG_H\n"
"# include <config.h>\n"
"#endif\n"
"\n"
"namespace Inkscape {\n"
" char const *version_string = VERSION \" \" \"${INKSCAPE_REVISION}\";\n"
"}\n")
# Copy the file to the final header only if the version changes
# and avoid needless rebuilds
execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different
${INKSCAPE_BINARY_DIR}/src/inkscape-version.cpp.txt
${INKSCAPE_BINARY_DIR}/src/inkscape-version.cpp)
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