2019-11-09 19:01:00 +00:00
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# Copyright 2019 Wolfgang Thaller.
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#
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# This file is part of Retro68.
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#
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# Retro68 is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Retro68 is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Retro68. If not, see <http://www.gnu.org/licenses/>.
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# This example does nothing useful, but it does it using a shared library.
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# Doesn't run on 68K.
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# Step 1: Tell CMake to compile the library.
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# (CMake writes the output to an XCOFF file named libLibrary.so)
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add_library(Library SHARED library.c library.h)
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2020-04-25 09:24:14 +00:00
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if(TARGET retrocrt)
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# Hack: if we are building as part of the Retro68 source tree,
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# make sure the run-time library is already compiled
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# (not needed for standalone projects)
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add_dependencies(Library retrocrt)
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endif(TARGET retrocrt)
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2019-11-09 19:01:00 +00:00
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# Step 2: Tell the linker to export symbols.
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# Either export everything:
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# target_link_options(Library PUBLIC -Wl,-bexpfull)
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# Or tell it to use an export list from a separate file:
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2019-11-10 16:56:59 +00:00
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# (CMake 3.13 or later)
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# target_link_options(Library PUBLIC -Wl,-bE:${CMAKE_CURRENT_SOURCE_DIR}/library.exp)
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set_target_properties(Library PROPERTIES LINK_FLAGS -Wl,-bE:${CMAKE_CURRENT_SOURCE_DIR}/library.exp)
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2019-11-09 19:01:00 +00:00
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# Note: Step 1 & 2 are equivalent to the command:
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2019-11-09 19:30:04 +00:00
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# powerpc-apple-macos-gcc -shared -Wl,-bE:library.exp library.c -o libLibrary.so
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2019-11-09 19:01:00 +00:00
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# Step 3: Convert the library to PEF format:
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add_custom_command(
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OUTPUT Library.pef
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COMMAND ${MAKE_PEF} "libLibrary.so" -o "Library.pef"
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DEPENDS Library)
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# Step 4: Combine the PEF data fork with a resource fork containing a cfrg resource:
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add_custom_command(
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OUTPUT Library.bin Library Library.dsk Library.ad "%Library.ad"
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COMMAND ${REZ}
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${REZ_FLAGS}
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${CMAKE_CURRENT_SOURCE_DIR}/library.r
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-I${REZ_INCLUDE_PATH}
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-o "Library.bin" --cc "Library.dsk" --cc "Library"
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--cc "%Library.ad"
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-t "shlb" -c "????"
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--data Library.pef
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DEPENDS Library.pef ${rsrc_files})
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# Step 5: Create a CMake custom target so CMake knows that Steps 3 and 4 need to be done
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add_custom_target(Library_APPL ALL DEPENDS Library.bin)
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# Step 6: Create the main application
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# (the add_applicatin macro works similarly to the commands above, but for applications.)
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add_application(Application application.c)
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# Step 7: Link the application to the library target (the XCOFF version of the library!)
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target_link_libraries(Application Library)
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