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-rw-r--r--configure.ac1
1 files changed, 0 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index bb58fad089..0f7c0d5477 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1110,7 +1110,6 @@ main()
AC_CHECK_TYPES([caddr_t],[],[],[@%:@include <sys/types.h>])
AC_CACHE_CHECK([whether madvise declaration is needed], rb_cv_madvice_prototype_using_caddr_t,
[RUBY_WERROR_FLAG([AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
- @%:@if defined(HAVE_CADDR_T) && (defined(MADV_FREE) || defined(MADV_DONTNEED))
@%:@include <sys/unistd.h>
@%:@include <sys/mman.h>
@%:@include <sys/types.h>