build system update
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1BBA026E13FC0495
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/build-fx
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/build-cg
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cmake_minimum_required(VERSION 3.16)
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project(Libcjpg VERSION 1.5.30 LANGUAGES C)
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find_package(Gint 2.9.0 REQUIRED)
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set(SOURCES
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jcapimin.c
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@ -50,27 +49,15 @@ set(SOURCES
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jutils.c
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jmemname.c
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)
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include_directories(
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"${PROJECT_SOURCE_DIR}"
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"${PROJECT_BINARY_DIR}/include"
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"${FXSDK_INCLUDE}")
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add_compile_options(-Os -lm -m4-nofpu -mb -std=c11 -ffreestanding -nostdlib -Wa,--dsp)
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# Target name is "cJPG", output file is "libcJPG.a" (by default)
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add_library(cJPG STATIC ${SOURCES})
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target_compile_options(cJPG PRIVATE -Os -std=c11)
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# After building, install the target (that is, libcJPG.a) in the compiler
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install(TARGETS cJPG
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DESTINATION "${FXSDK_LIB}")
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# Install jpeglib.h from the build dir
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install(FILES "${PROJECT_SOURCE_DIR}/jpeglib.h"
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DESTINATION "${FXSDK_INCLUDE}")
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# Install jconfig.h from the build dir
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install(FILES "${PROJECT_SOURCE_DIR}/jconfig.h"
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DESTINATION "${FXSDK_INCLUDE}")
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# Install jmorecfg.h from the build dir
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install(FILES "${PROJECT_SOURCE_DIR}/jmorecfg.h"
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DESTINATION "${FXSDK_INCLUDE}")
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# Install jerror.h from the build dir
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install(FILES "${PROJECT_SOURCE_DIR}/jerror.h"
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# Install headers from the source dir
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install(FILES jpeglib.h jconfig.h jmorecfg.h jerror.h
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DESTINATION "${FXSDK_INCLUDE}")
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# Install FindcPNG.cmake so that users can do find_package(LibcPNG)
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install(FILES cmake/FindcJPG.cmake
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@ -1,49 +1,19 @@
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find_package(Gint 2.7 REQUIRED)
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# Find libexample.a; if we had platform-specific versions we could look for
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# libexample-${FXSDK_PLATFORM}.a instead.
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execute_process(
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COMMAND ${CMAKE_C_COMPILER} -print-file-name=libcJPG.a
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OUTPUT_VARIABLE EX_PATH OUTPUT_STRIP_TRAILING_WHITESPACE)
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# EX_PATH is now the full path if libustl.a exists, "libustl.a" otherwise
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if(NOT "${EX_PATH}" STREQUAL "libcPNG.a")
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# Find the version.h header
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execute_process(
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COMMAND ${CMAKE_C_COMPILER} -print-file-name=include/jconfig.h
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OUTPUT_VARIABLE EX_CONFIG OUTPUT_STRIP_TRAILING_WHITESPACE)
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# Extract version information from the config.h header. This command prints
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# the version on the line matching the regex and deletes every other line.
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execute_process(
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COMMAND sed -E "s/#define.*EX_VERSION\\s+\"(\\S+)\"$/\\1/p; d" ${EX_CONFIG}
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OUTPUT_VARIABLE EX_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
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endif()
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# The commands above seem common for gint libraries, so the fxSDK provides a
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# helper function to get that directly. We simply provide the archive name,
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# header file name, macro name, and names for output variables.
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# include(FindSimpleLibrary)
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# find_simple_library(libexample.a include/example/config.h "EX_VERSION"
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# PATH_VAR EX_PATH VERSION_VAR EX_VERSION)
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# This CMake utility will handle the version comparisons and other checks. We
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# just specify:
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# -> Some variables that are defined only if the library is found (so if
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# they're undefined, CMake will conclude libexample was not found)
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# -> The version, so CMake can compare with the user's requested one
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include(FindSimpleLibrary)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(libcJPG
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REQUIRED_VARS EX_CONFIG EX_VERSION
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VERSION_VAR EX_VERSION)
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# We now have a LibExample_FOUND variable, let's create the target that users
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# can link against with target_link_libraries()
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if(LibcJPG_FOUND)
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# This is an imported target, we don't build it, we just claim it's here
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add_library(libcJPG::libcJPG UNKNOWN IMPORTED)
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# Here we declare the compiler and linker flags that every user of LibExample
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# needs to use.
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set_target_properties(libcJPG::libcJPG PROPERTIES
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# If we specify where the library comes from, CMake will watch that file
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# and relink any user application when the library is updated!
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IMPORTED_LOCATION "${EX_PATH}"
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# Linking options
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INTERFACE_LINK_OPTIONS -lcJPG
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# Dependencies (for order on the command-line)
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IMPORTED_LINK_INTERFACE_LIBRARIES Gint::Gint)
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find_simple_library(libcJPG.a jpeglib.h _
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PATH_VAR CJPG_PATH
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OTHER_MACROS JPEG_LIB_VERSION_MAJOR JPEG_LIB_VERSION_MINOR)
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set(JPEG_VERSION "${JPEG_LIB_VERSION_MAJOR}.${JPEG_LIB_VERSION_MINOR}")
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find_package_handle_standard_args(cJPG
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REQUIRED_VARS CJPG_PATH
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VERSION_VAR JPEG_VERSION)
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if(cJPG_FOUND)
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add_library(cJPG::cJPG UNKNOWN IMPORTED)
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set_target_properties(cJPG::cJPG PROPERTIES
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IMPORTED_LOCATION "${CJPG_PATH}"
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INTERFACE_LINK_OPTIONS "-lm;-lcJPG")
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endif()
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@ -4,23 +4,17 @@
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configure:
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@ fxsdk build-fx -c
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@ fxsdk build-cg -c
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build:
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@ fxsdk build-fx
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@ fxsdk build-cg
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install:
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@ fxsdk build-fx install
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@ fxsdk build-cg install
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uninstall:
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@ if [ -e build-fx/install_manifest.txt ]; then \
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xargs rm -f < build-fx/install_manifest.txt; \
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fi
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@ if [ -e build-cg/install_manifest.txt ]; then \
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xargs rm -f < build-cg/install_manifest.txt; \
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fi
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.PHONY: configure build install uninstall
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