Commit 645d2652 authored by Måns Rullgård's avatar Måns Rullgård
Browse files

Special check for math.h functions

These are often, contrary to standards, implemented only as macros
or compiler-builtin functions without an actual symbol definition.

Originally committed as revision 21734 to svn://
parent 0104b608
......@@ -668,6 +668,17 @@ int main(void){ $func(); }
log check_func "$@"
disable $func
check_ld "$@" <<EOF && enable $func
#include <math.h>
int main(void){ $func(0); return 0; }
log check_func_headers "$@"
......@@ -2519,16 +2530,16 @@ done
check_lib math.h sin -lm
check_lib va/va.h vaInitialize -lva
check_func exp2
check_func exp2f
check_func llrint
check_func log2
check_func log2f
check_func lrint
check_func lrintf
check_func round
check_func roundf
check_func truncf
check_mathfunc exp2
check_mathfunc exp2f
check_mathfunc llrint
check_mathfunc log2
check_mathfunc log2f
check_mathfunc lrint
check_mathfunc lrintf
check_mathfunc round
check_mathfunc roundf
check_mathfunc truncf
# these are off by default, so fail if requested and not available
enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
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