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Compile getopt as a C++ file, so that CMake need not look for a C compiler at all

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This commit is contained in:
Michael Jones
2022-03-24 17:46:57 -05:00
parent b5f521a161
commit 2671855b18
1 changed files with 9 additions and 1 deletions
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10
CMakeLists.txt
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@@ -5,7 +5,7 @@ include(CheckIPOSupported)
option(NINJA_BUILD_BINARY "Build ninja binary" ON)
project(ninja)
project(ninja CXX)
# --- optional link-time optimization
check_ipo_supported(RESULT lto_supported OUTPUT error)
@@ -128,10 +128,18 @@ if(WIN32)
src/getopt.c
src/minidump-win32.cc
)
# Build getopt.c, which can be compiled as either C or C++, as C++
# so that build environments which lack a C compiler, but have a C++
# compiler may build ninja.
set_source_files_properties(src/getopt.c PROPERTIES LANGUAGE CXX)
else()
target_sources(libninja PRIVATE src/subprocess-posix.cc)
if(CMAKE_SYSTEM_NAME STREQUAL "OS400" OR CMAKE_SYSTEM_NAME STREQUAL "AIX")
target_sources(libninja PRIVATE src/getopt.c)
# Build getopt.c, which can be compiled as either C or C++, as C++
# so that build environments which lack a C compiler, but have a C++
# compiler may build ninja.
set_source_files_properties(src/getopt.c PROPERTIES LANGUAGE CXX)
endif()
# Needed for perfstat_cpu_total