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Win32: Fix compilation with standalone LLVM

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The /clang: suffix passed to Clang-CL was accidentally also passed to
the regular standalone Clang, which caused compilation to fail.  We now
pass /W3 to Clang-CL, which it interprets as -Wall.

The _CRT_SECURE_NO_WARNINGS macro is now defined for both Clang and
Clang-CL.

The /entry: flag passed to link.exe is now also passed to lld-link,
letting the windows subsystem tests and examples link.

Fixes #1807.
Closes #1824.
Closes #1874.
This commit is contained in:
Camilla Löwy
2021-04-12 20:56:53 +02:00
parent 85bce8a8ea
commit 061a0263a9
4 changed files with 24 additions and 17 deletions
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src/CMakeLists.txt
+9 -13
View File
@@ -130,18 +130,14 @@ if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
endif()
# Enable a reasonable set of warnings
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR
CMAKE_C_COMPILER_ID STREQUAL "Clang" OR
CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
if (CMAKE_C_SIMULATE_ID STREQUAL "MSVC")
# Tell Clang-CL that this is a Clang flag
target_compile_options(glfw PRIVATE "/clang:-Wall")
else()
target_compile_options(glfw PRIVATE "-Wall")
endif()
elseif (MSVC)
# NOTE: The order matters here, Clang-CL matches both MSVC and Clang
if (MSVC)
target_compile_options(glfw PRIVATE "/W3")
elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR
CMAKE_C_COMPILER_ID STREQUAL "Clang" OR
CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
target_compile_options(glfw PRIVATE "-Wall")
endif()
if (WIN32)
@@ -166,8 +162,8 @@ if (MINGW)
endif()
endif()
# Workaround for VS deprecating parts of the standard library
if (MSVC)
# Workaround for the MS CRT deprecating parts of the standard library
if (MSVC OR CMAKE_C_SIMULATE_ID STREQUAL "MSVC")
target_compile_definitions(glfw PRIVATE _CRT_SECURE_NO_WARNINGS)
endif()