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-rw-r--r--libguile/_scm.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/libguile/_scm.h b/libguile/_scm.h
index 6b728be2b..e40f29bb0 100644
--- a/libguile/_scm.h
+++ b/libguile/_scm.h
@@ -38,6 +38,25 @@
# include <config.h>
#endif
+/* Undefine HAVE_STRUCT_TIMESPEC, because the libguile C code doesn't
+ need it anymore, and because on MinGW:
+
+ - the definition of struct timespec is provided (if at all) by
+ pthread.h
+
+ - pthread.h will _not_ define struct timespec if
+ HAVE_STRUCT_TIMESPEC is 1, because then it thinks that it doesn't
+ need to.
+
+ The libguile C code doesn't need HAVE_STRUCT_TIMESPEC anymore,
+ because the value of HAVE_STRUCT_TIMESPEC has already been
+ incorporated in how scm_t_timespec is defined (in scmconfig.h), and
+ the rest of the libguile C code now just uses scm_t_timespec.
+ */
+#ifdef HAVE_STRUCT_TIMESPEC
+#undef HAVE_STRUCT_TIMESPEC
+#endif
+
#include <errno.h>
#include "libguile/__scm.h"