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Don't ignore unused attrib warnings in test

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This commit is contained in:
Matthew Barr 2016-12-12 14:52:06 +11:00
parent 1ed2bdc46f
commit 5754709dd5
1 changed files with 11 additions and 1 deletions
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12
cmake/attrib.cmake
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@ -1,3 +1,13 @@
# tests for compiler properties
CHECK_C_SOURCE_COMPILES("int foo(int) __attribute__ ((ifunc(\"foo_i\"))); int f1(int i) { return i; } void (*foo_i()) { return f1; } int main(void) { return 0; }" HAS_C_ATTR_IFUNC)
# set -Werror so we can't ignore unused attribute warnings
set (CMAKE_REQUIRED_FLAGS "-Werror")
CHECK_C_SOURCE_COMPILES("
int foo(int) __attribute__ ((ifunc(\"foo_i\")));
int f1(int i) { return i; }
void (*foo_i()) { return f1; }
int main(void) { return 0; }
" HAS_C_ATTR_IFUNC)
unset(CMAKE_REQUIRED_FLAGS)