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[flang] set the paths for the symbol extracting tool #131375

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Merged
kkwli merged 1 commit into from
Mar 21, 2025
Merged

[flang] set the paths for the symbol extracting tool #131375

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16 changes: 16 additions & 0 deletions flang/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,11 @@ endif()
set(FLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(FLANG_RT_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../flang-rt")

# Python is needed for symbol extracting tool
set(LLVM_MINIMUM_PYTHON_VERSION 3.8)
find_package(Python3 ${LLVM_MINIMUM_PYTHON_VERSION} REQUIRED
COMPONENTS Interpreter)

if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE)
message(FATAL_ERROR "In-source builds are not allowed. \
Please create a directory and run cmake from there,\
Expand Down Expand Up @@ -81,6 +86,13 @@ if (FLANG_STANDALONE_BUILD)
mark_as_advanced(LLVM_ENABLE_ASSERTIONS)
endif()

# Build with _XOPEN_SOURCE on AIX to avoid errors caused by _ALL_SOURCE.
# We need to enable the large-file API as well.
if (UNIX AND CMAKE_SYSTEM_NAME MATCHES "AIX")
add_compile_definitions(_XOPEN_SOURCE=700)
add_compile_definitions(_LARGE_FILE_API)
endif()

# If the user specifies a relative path to LLVM_DIR, the calls to include
# LLVM modules fail. Append the absolute path to LLVM_DIR instead.
if (LLVM_DIR)
Expand Down Expand Up @@ -125,6 +137,10 @@ if (FLANG_STANDALONE_BUILD)
set(USE_NO_MAYBE_UNINITIALIZED 1)
endif()

# The path is needed to locate extract_symbols.py
if (NOT DEFINED LLVM_MAIN_SRC_DIR)
set(LLVM_MAIN_SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../llvm")
endif()
include(AddLLVM)
include(HandleLLVMOptions)
include(VersionFromVCS)
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1 change: 1 addition & 0 deletions flang/tools/flang-driver/CMakeLists.txt
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Expand Up @@ -39,6 +39,7 @@ option(FLANG_PLUGIN_SUPPORT "Build Flang with plugin support." ON)

# Enable support for plugins, which need access to symbols from flang
if(FLANG_PLUGIN_SUPPORT)
set(LLVM_LIBRARY_OUTPUT_INTDIR ${LLVM_LIBRARY_DIR})
export_executable_symbols_for_plugins(flang)
endif()

Expand Down