This is required to make certain math defines visible on modern Cygwin.
---
configure | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure b/configure
index 0ba4dd7..2c56096 100755
--- a/configure
+++ b/configure
@@ -4177,7 +4177,7 @@ probe_libc(){
# MinGW headers can be installed on Cygwin, so check for newlib first.
elif check_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
eval ${pfx}libc_type=newlib
- add_${pfx}cppflags -U__STRICT_ANSI__
+ add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600
# MinGW64 is backwards compatible with MinGW32, so check for it first.
elif check_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR";
then
eval ${pfx}libc_type=mingw64
--
2.1.4
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