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cmake: Reimplement SECP256K1_APPEND_CFLAGS using Bitcoin Core approach

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This commit is contained in:
Hennadii Stepanov
2024-06-21 14:45:07 +01:00
parent c2764dbb99
commit 4706be2cd0
2 changed files with 6 additions and 16 deletions
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10
CMakeLists.txt
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@@ -284,14 +284,16 @@ if(SECP256K1_BUILD_BENCHMARK OR SECP256K1_BUILD_TESTS OR SECP256K1_BUILD_EXHAUST
enable_testing()
endif()
set(SECP256K1_APPEND_CFLAGS "" CACHE STRING "Compiler flags that are added to the command line after all other flags added by the build system.")
include(AllTargetsCompileOptions)
set(SECP256K1_APPEND_CFLAGS "" CACHE STRING "Compiler flags that are appended to the command line after all other flags added by the build system. This variable is intended for debugging and special builds.")
if(SECP256K1_APPEND_CFLAGS)
# Appending to this low-level rule variable is the only way to
# guarantee that the flags appear at the end of the command line.
string(APPEND CMAKE_C_COMPILE_OBJECT " ${SECP256K1_APPEND_CFLAGS}")
endif()
add_subdirectory(src)
all_targets_compile_options(src "${SECP256K1_APPEND_CFLAGS}")
if(SECP256K1_BUILD_EXAMPLES)
add_subdirectory(examples)
all_targets_compile_options(examples "${SECP256K1_APPEND_CFLAGS}")
endif()
message("\n")

12
cmake/AllTargetsCompileOptions.cmake
View File

@@ -1,12 +0,0 @@
# 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()