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| author | Michael Kruse <llvm@meinersbur.de> | 2016-10-20 11:16:19 +0000 |
|---|---|---|
| committer | Michael Kruse <llvm@meinersbur.de> | 2016-10-20 11:16:19 +0000 |
| commit | 3d0266b66446dd1cd0a9d843dd8cd20954e9b980 (patch) | |
| tree | 9471b9c018cb27576f9fed11be5221c547e71161 | |
| parent | 618d3aedaf3d6e346cf528f3e9524360f881eb66 (diff) | |
| download | bcm5719-llvm-3d0266b66446dd1cd0a9d843dd8cd20954e9b980.tar.gz bcm5719-llvm-3d0266b66446dd1cd0a9d843dd8cd20954e9b980.zip | |
[cmake] Avoid warnings in feature tests. NFC.
Apply the __attribute__((unused)) before the function to unambiguously apply to
the function declaration.
Add more casts-to-void to mark return values unused as intended.
Contributed-by: Andy Gibbs <andyg1001@hotmail.co.uk>
llvm-svn: 284718
| -rw-r--r-- | polly/lib/External/CMakeLists.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/polly/lib/External/CMakeLists.txt b/polly/lib/External/CMakeLists.txt index 7471cef04ae..eafb6be7619 100644 --- a/polly/lib/External/CMakeLists.txt +++ b/polly/lib/External/CMakeLists.txt @@ -65,7 +65,7 @@ if (HAS_ATTRIBUTE_WARN_UNUSED_RESULT) endif () check_c_source_compiles(" - static void foo(void) __attribute__ ((unused)); + __attribute__ ((unused)) static void foo(void); int main() { return 0; } " HAVE___ATTRIBUTE__) @@ -76,12 +76,12 @@ check_c_source_compiles_numeric(" " HAVE_DECL_FFS) check_c_source_compiles_numeric(" - int main() { __builtin_ffs(0); return 0; } + int main() { (void)__builtin_ffs(0); return 0; } " HAVE_DECL___BUILTIN_FFS) check_c_source_compiles_numeric(" #include <intrin.h> - int main() { _BitScanForward(NULL, 0); return 0; } + int main() { (void)_BitScanForward(NULL, 0); return 0; } " HAVE_DECL__BITSCANFORWARD) if (NOT HAVE_DECL_FFS AND @@ -98,7 +98,7 @@ check_c_source_compiles_numeric(" check_c_source_compiles_numeric(" #include <string.h> - int main() { _stricmp(\"\", \"\"); return 0; } + int main() { (void)_stricmp(\"\", \"\"); return 0; } " HAVE_DECL__STRICMP) if (NOT HAVE_DECL_STRCASECMP AND NOT HAVE_DECL__STRICMP) @@ -113,7 +113,7 @@ check_c_source_compiles_numeric(" check_c_source_compiles_numeric(" #include <string.h> - int main() { _strnicmp(\"\", \"\", 0); return 0; } + int main() { (void)_strnicmp(\"\", \"\", 0); return 0; } " HAVE_DECL__STRNICMP) if (NOT HAVE_DECL_STRNCASECMP AND NOT HAVE_DECL__STRNICMP) |
