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cmake: make the linker script a link dependency of projects

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This way when we update the linker script in the upcoming LTO support
commit, it will be used automatically without a full rebuild.
This commit is contained in:
Lephe 2024-05-26 18:13:12 +02:00
parent 4a2b60b785
commit ea5f21d1dc
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GPG key ID: 1BBA026E13FC0495
1 changed files with 16 additions and 5 deletions
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21
cmake/FindGint.cmake
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@ -1,20 +1,30 @@
macro(get_linker_script_path OUTVAR NAME)
execute_process(
COMMAND ${CMAKE_C_COMPILER} -print-file-name=${NAME}
OUTPUT_VARIABLE ${OUTVAR}
OUTPUT_STRIP_TRAILING_WHITESPACE)
endmacro()
# Determine platform Code
if("${FXSDK_PLATFORM_LONG}" STREQUAL fxCG50)
set(PC cg)
set(INTF_DEFN FXCG50)
set(INTF_LINK "-T;$<IF:$<CONFIG:FastLoad>,fxcg50_fastload.ld,fxcg50.ld>")
get_linker_script_path(LS1 fxcg50_fastload.ld)
get_linker_script_path(LS2 fxcg50.ld)
set(INTF_LINKER_SCRIPT
"$<IF:$<CONFIG:FastLoad>,${LS1},${LS2}>")
elseif("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G)
set(PC fx)
set(INTF_DEFN FX9860G)
set(INTF_LINK "-T;fx9860g.ld")
get_linker_script_path(INTF_LINKER_SCRIPT "fx9860g.ld")
elseif("${FXSDK_PLATFORM_LONG}" STREQUAL fx9860G_G3A)
set(PC fxg3a)
set(INTF_DEFN FX9860G_G3A)
set(INTF_LINK "-T;fxcg50.ld")
get_linker_script_path(INTF_LINKER_SCRIPT "fxcg50.ld")
elseif("${FXSDK_PLATFORM_LONG}" STREQUAL fxCP)
set(PC cp)
set(INTF_DEFN FXCP)
set(INTF_LINK "-T;fxcp_hh2.ld")
get_linker_script_path(INTF_LINKER_SCRIPT "fxcp_hh2.ld")
else()
message(FATAL_ERROR "gint: unknown fxSDK platform '${FXSDK_PLATFORM}'")
endif()
@ -73,7 +83,8 @@ if(Gint_FOUND)
INTERFACE_COMPILE_OPTIONS -fstrict-volatile-bitfields
INTERFACE_COMPILE_DEFINITIONS "${INTF_DEFN}"
INTERFACE_LINK_LIBRARIES "-lopenlibm;-lgcc"
INTERFACE_LINK_OPTIONS "${INTF_LINK}")
INTERFACE_LINK_OPTIONS "-T;${INTF_LINKER_SCRIPT}"
INTERFACE_LINK_DEPENDS "${INTF_LINKER_SCRIPT}")
target_link_libraries(Gint::Gint INTERFACE Gint::Fxlibc)
target_link_libraries(Gint::Fxlibc INTERFACE Gint::Gint)