blob: 4809520e1babbf10a648e2451e407114e6d33539 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
if (NOT COMMAND append_if)
# From HandleLLVMOptions.cmake
function(append_if condition value)
if (${condition})
foreach(variable ${ARGN})
set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
endforeach(variable)
endif()
endfunction()
endif()
if (NOT COMMAND append)
function(append value)
foreach(variable ${ARGN})
set(${variable} "${${variable}} ${value}" PARENT_SCOPE)
endforeach(variable)
endfunction()
endif()
# MSVC and clang-cl in compatibility mode map -Wall to -Weverything.
# TODO: LLVM adds /W4 instead, check if that works for the OpenMP runtimes.
if (NOT MSVC)
append_if(OPENMP_HAVE_WALL_FLAG "-Wall" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
endif()
if (OPENMP_ENABLE_WERROR)
append_if(OPENMP_HAVE_WERROR_FLAG "-Werror" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
endif()
append_if(OPENMP_HAVE_COLOR_DIAGNOSTICS "-fcolor-diagnostics" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
# Additional warnings that are not enabled by -Wall.
append_if(OPENMP_HAVE_WCAST_QUAL_FLAG "-Wcast-qual" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
append_if(OPENMP_HAVE_WFORMAT_PEDANTIC_FLAG "-Wformat-pedantic" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
append_if(OPENMP_HAVE_WIMPLICIT_FALLTHROUGH_FLAG "-Wimplicit-fallthrough" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
append_if(OPENMP_HAVE_WSIGN_COMPARE_FLAG "-Wsign-compare" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
# Warnings that we want to disable because they are too verbose or fragile.
# GCC silently accepts any -Wno-<foo> option, but warns about those options
# being unrecognized only if the compilation triggers other warnings to be
# printed. Therefore, check for whether the compiler supports options in the
# form -W<foo>, and if supported, add the corresponding -Wno-<foo> option.
append_if(OPENMP_HAVE_WEXTRA_FLAG "-Wno-extra" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
append_if(OPENMP_HAVE_WPEDANTIC_FLAG "-Wno-pedantic" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
append_if(OPENMP_HAVE_WMAYBE_UNINITIALIZED_FLAG "-Wno-maybe-uninitialized" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
if (NOT (WIN32 OR CYGWIN))
# This flag is not relevant on Windows; the flag is accepted, but produces warnings
# about argument unused during compilation.
append_if(OPENMP_HAVE_NO_SEMANTIC_INTERPOSITION "-fno-semantic-interposition" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
endif()
append_if(OPENMP_HAVE_FUNCTION_SECTIONS "-ffunction-section" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
append_if(OPENMP_HAVE_DATA_SECTIONS "-fdata-sections" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
if (MSVC)
# Disable "warning C4201: nonstandard extension used: nameless struct/union"
append("-wd4201" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
# Disable "warning C4190: '__kmpc_atomic_cmplx8_rd' has C-linkage specified, but returns
# UDT '__kmp_cmplx64_t' which is incompatible with C"
append("-wd4190" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
endif()
|
