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cmake: Add SECP256K1_LATE_CFLAGS configure option #1249

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merged 1 commit into from
Jan 17, 2024
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cmake: Add SECP256K1_LATE_CFLAGS configure option #1249

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8 changes: 8 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -217,9 +217,14 @@ if(SECP256K1_BUILD_BENCHMARK OR SECP256K1_BUILD_TESTS OR SECP256K1_BUILD_EXHAUST
enable_testing()
endif()

set(SECP256K1_LATE_CFLAGS "" CACHE STRING "Compiler flags that are added to the command line after all other flags added by the build system.")
include(AllTargetsCompileOptions)

add_subdirectory(src)
all_targets_compile_options(src "${SECP256K1_LATE_CFLAGS}")
if(SECP256K1_BUILD_EXAMPLES)
add_subdirectory(examples)
all_targets_compile_options(examples "${SECP256K1_LATE_CFLAGS}")
endif()

message("\n")
Expand Down Expand Up @@ -292,6 +297,9 @@ else()
message(" - LDFLAGS for executables ............ ${CMAKE_EXE_LINKER_FLAGS_DEBUG}")
message(" - LDFLAGS for shared libraries ....... ${CMAKE_SHARED_LINKER_FLAGS_DEBUG}")
endif()
if(SECP256K1_LATE_CFLAGS)
message("SECP256K1_LATE_CFLAGS ................. ${SECP256K1_LATE_CFLAGS}")
endif()
message("\n")
if(SECP256K1_EXPERIMENTAL)
message(
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12 changes: 12 additions & 0 deletions cmake/AllTargetsCompileOptions.cmake
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
# Add compile options to all targets added in the subdirectory.
function(all_targets_compile_options dir options)
get_directory_property(targets DIRECTORY ${dir} BUILDSYSTEM_TARGETS)
separate_arguments(options)
set(compiled_target_types STATIC_LIBRARY SHARED_LIBRARY OBJECT_LIBRARY EXECUTABLE)
foreach(target ${targets})
get_target_property(type ${target} TYPE)
if(type IN_LIST compiled_target_types)
target_compile_options(${target} PRIVATE ${options})
endif()
endforeach()
endfunction()