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cmake: Rename the custom targets to have the png_ prefix
This avoids taget namespace pollution when including libpng as a sub-project. Signed-off-by: Cosmin Truta <ctruta@gmail.com>
This commit is contained in:
Jeremy Maitin-Shepard
Cosmin Truta
parent
c22ef3b2e3
commit
efa9c2e920
@ -19,6 +19,7 @@
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# Revised by Owen Rudge, 2020
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# Revised by Gleb Mazovetskiy, 2021
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# Revised by Christopher Sean Morrison, 2022
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# Revised by Jeremy Maitin-Shepard, 2022
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# Revised by Martin Storsjo, 2022
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# Revised by Jon Creighton, 2023
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# Revised by Gunther Nikl, 2023
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@ -309,7 +310,7 @@ if(NOT AWK OR ANDROID OR IOS)
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# No awk available to generate sources; use pre-built pnglibconf.h
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/pnglibconf.h.prebuilt
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${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h)
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add_custom_target(genfiles) # Dummy
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add_custom_target(png_genfiles) # Dummy
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else()
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# Copy the awk scripts, converting their line endings to Unix (LF)
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/scripts/checksym.awk
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@ -411,7 +412,7 @@ else()
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DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/scripts/pnglibconf.dfa"
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/options.awk"
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"${CMAKE_CURRENT_SOURCE_DIR}/pngconf.h")
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add_custom_target(scripts_pnglibconf_c DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/pnglibconf.c")
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add_custom_target(png_scripts_pnglibconf_c DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/pnglibconf.c")
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# Generate pnglibconf.c
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generate_source(OUTPUT "pnglibconf.c"
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@ -442,14 +443,14 @@ else()
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generate_out(INPUT "${CMAKE_CURRENT_SOURCE_DIR}/scripts/intprefix.c"
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/scripts/intprefix.out"
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DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h" pnglibconf_h)
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add_custom_target(scripts_intprefix_out DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/intprefix.out")
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add_custom_target(png_scripts_intprefix_out DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/intprefix.out")
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generate_out(INPUT "${CMAKE_CURRENT_SOURCE_DIR}/scripts/prefix.c"
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/scripts/prefix.out"
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DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/png.h"
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"${CMAKE_CURRENT_SOURCE_DIR}/pngconf.h"
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"${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.out" pnglibconf_out)
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add_custom_target(scripts_prefix_out DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/prefix.out")
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add_custom_target(png_scripts_prefix_out DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/prefix.out")
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# Generate pngprefix.h
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generate_source(OUTPUT "pngprefix.h"
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@ -459,64 +460,64 @@ else()
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generate_out(INPUT "${CMAKE_CURRENT_SOURCE_DIR}/scripts/sym.c"
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/scripts/sym.out"
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DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h" pnglibconf_h)
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add_custom_target(scripts_sym_out DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/sym.out")
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add_custom_target(png_scripts_sym_out DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/sym.out")
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generate_out(INPUT "${CMAKE_CURRENT_SOURCE_DIR}/scripts/symbols.c"
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.out"
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DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/png.h"
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"${CMAKE_CURRENT_SOURCE_DIR}/pngconf.h"
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"${CMAKE_CURRENT_SOURCE_DIR}/scripts/pnglibconf.h.prebuilt")
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add_custom_target(scripts_symbols_out DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.out")
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add_custom_target(png_scripts_symbols_out DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.out")
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generate_out(INPUT "${CMAKE_CURRENT_SOURCE_DIR}/scripts/vers.c"
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/scripts/vers.out"
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DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/png.h"
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"${CMAKE_CURRENT_SOURCE_DIR}/pngconf.h"
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"${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h" pnglibconf_h)
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add_custom_target(scripts_vers_out DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/vers.out")
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add_custom_target(png_scripts_vers_out DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/vers.out")
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generate_chk(INPUT "${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.out"
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.chk"
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DEPENDS scripts_symbols_out
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DEPENDS png_scripts_symbols_out
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/checksym.awk"
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"${CMAKE_CURRENT_SOURCE_DIR}/scripts/symbols.def")
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add_custom_target(scripts_symbols_chk
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add_custom_target(png_scripts_symbols_chk
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DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.chk")
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generate_copy(INPUT "${CMAKE_CURRENT_BINARY_DIR}/scripts/sym.out"
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/libpng.sym"
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DEPENDS scripts_sym_out)
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DEPENDS png_scripts_sym_out)
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generate_copy(INPUT "${CMAKE_CURRENT_BINARY_DIR}/scripts/vers.out"
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OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/libpng.vers"
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DEPENDS scripts_vers_out)
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DEPENDS png_scripts_vers_out)
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add_custom_target(genvers
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add_custom_target(png_genvers
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DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/libpng.vers")
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add_custom_target(gensym
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add_custom_target(png_gensym
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DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/libpng.sym")
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add_custom_target("genprebuilt"
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add_custom_target(png_genprebuilt
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COMMAND "${CMAKE_COMMAND}"
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"-DOUTPUT=scripts/pnglibconf.h.prebuilt"
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-P "${CMAKE_CURRENT_BINARY_DIR}/scripts/gensrc.cmake"
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WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")
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# A single target handles generation of all generated files.
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add_custom_target(genfiles
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DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/libpng.sym" gensym
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"${CMAKE_CURRENT_BINARY_DIR}/libpng.vers" genvers
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add_custom_target(png_genfiles
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DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/libpng.sym" png_gensym
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"${CMAKE_CURRENT_BINARY_DIR}/libpng.vers" png_genvers
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"${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.c" pnglibconf_c
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"${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.h" pnglibconf_h
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"${CMAKE_CURRENT_BINARY_DIR}/pnglibconf.out" pnglibconf_out
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"${CMAKE_CURRENT_BINARY_DIR}/pngprefix.h" pngprefix_h
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/intprefix.out" scripts_intprefix_out
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/pnglibconf.c" scripts_pnglibconf_c
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/prefix.out" scripts_prefix_out
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/sym.out" scripts_sym_out
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.chk" scripts_symbols_chk
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.out" scripts_symbols_out
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/vers.out" scripts_vers_out)
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/intprefix.out" png_scripts_intprefix_out
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/pnglibconf.c" png_scripts_pnglibconf_c
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/prefix.out" png_scripts_prefix_out
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/sym.out" png_scripts_sym_out
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.chk" png_scripts_symbols_chk
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/symbols.out" png_scripts_symbols_out
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"${CMAKE_CURRENT_BINARY_DIR}/scripts/vers.out" png_scripts_vers_out)
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endif(NOT AWK OR ANDROID OR IOS)
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# List the source code files.
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@ -596,7 +597,7 @@ if(PNG_SHARED)
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add_library(png SHARED ${libpng_sources})
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set(PNG_LIB_TARGETS png)
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set_target_properties(png PROPERTIES OUTPUT_NAME ${PNG_LIB_NAME})
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add_dependencies(png genfiles)
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add_dependencies(png png_genfiles)
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if(MSVC)
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# MVC does not append 'lib'. Do it here, to have consistent name.
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set_target_properties(png PROPERTIES PREFIX "lib")
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@ -619,7 +620,7 @@ if(PNG_STATIC)
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# does not work without changing name
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set(PNG_LIB_NAME_STATIC png_static)
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add_library(png_static STATIC ${libpng_sources})
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add_dependencies(png_static genfiles)
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add_dependencies(png_static png_genfiles)
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# MSVC doesn't use a different file extension for shared vs. static
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# libs. We are able to change OUTPUT_NAME to remove the _static
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# for all other platforms.
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@ -643,7 +644,7 @@ endif()
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if(PNG_FRAMEWORK)
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set(PNG_LIB_NAME_FRAMEWORK png_framework)
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add_library(png_framework SHARED ${libpng_sources})
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add_dependencies(png_framework genfiles)
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add_dependencies(png_framework png_genfiles)
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list(APPEND PNG_LIB_TARGETS png_framework)
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set_target_properties(png_framework PROPERTIES
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FRAMEWORK TRUE
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@ -128,7 +128,7 @@ elseif("${OUTPUT}" STREQUAL "scripts/pnglibconf.h.prebuilt")
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message(STATUS "Attempting to build scripts/pnglibconf.h.prebuilt")
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message(STATUS "This is a machine generated file, but if you want to make")
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message(STATUS "a new one simply build the 'genfiles' target, and copy")
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message(STATUS "a new one simply build the 'png_genfiles' target, and copy")
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message(STATUS "scripts/pnglibconf.out to scripts/pnglibconf.h.prebuilt")
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message(STATUS "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)")
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message(FATAL_ERROR "Stopping build")
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