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[libc] Output all headers with LIBC_CONF_OUTPUT_ALL_HEADERS #144114

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Merged
merged 3 commits into from
Jun 13, 2025
Merged

[libc] Output all headers with LIBC_CONF_OUTPUT_ALL_HEADERS #144114

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d3f4b77
[libc] Output all headers with LIBC_CONF_OUTPUT_ALL_HEADERS
saturn691 Jun 13, 2025
b4b3960
fixup! [libc] Output all headers with LIBC_CONF_OUTPUT_ALL_HEADERS
saturn691 Jun 13, 2025
f90851f
Update libc/CMakeLists.txt
saturn691 Jun 13, 2025
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1 change: 1 addition & 0 deletions libc/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,7 @@ endif()
option(LLVM_LIBC_FULL_BUILD "Build and test LLVM libc as if it is the full libc" ${default_to_full_build})
option(LLVM_LIBC_IMPLEMENTATION_DEFINED_TEST_BEHAVIOR "Build LLVM libc tests assuming our implementation-defined behavior" ON)
option(LLVM_LIBC_ENABLE_LINTING "Enables linting of libc source files" OFF)
option(LLVM_LIBC_ALL_HEADERS "Outputs all functions in header files, regardless of whether they are enabled on this target" OFF)

option(LIBC_CONFIG_PATH "The path to user provided folder that configures the build for the target system." OFF)

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7 changes: 6 additions & 1 deletion libc/cmake/modules/LLVMLibCHeaderRules.cmake
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Expand Up @@ -97,8 +97,13 @@ function(add_gen_header target_name)
set(out_file ${LIBC_INCLUDE_DIR}/${relative_path})
set(dep_file "${out_file}.d")
set(yaml_file ${CMAKE_SOURCE_DIR}/${ADD_GEN_HDR_YAML_FILE})

if(LLVM_LIBC_ALL_HEADERS)
set(entry_points "")
else()
set(entry_points "${TARGET_ENTRYPOINT_NAME_LIST}")
endif()

set(entry_points "${TARGET_ENTRYPOINT_NAME_LIST}")
list(TRANSFORM entry_points PREPEND "--entry-point=")

add_custom_command(
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2 changes: 1 addition & 1 deletion libc/test/UnitTest/CMakeLists.txt
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Expand Up @@ -35,7 +35,7 @@ function(add_unittest_framework_library name)
else()
_get_common_test_compile_options(compile_options "" "")
target_compile_options(${name}.unit PRIVATE ${compile_options})
endif()
endif()

_get_hermetic_test_compile_options(compile_options "")
target_include_directories(${name}.hermetic PRIVATE ${LIBC_INCLUDE_DIR})
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