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-rw-r--r--Build/source/m4/kpse-common.m47
1 files changed, 5 insertions, 2 deletions
diff --git a/Build/source/m4/kpse-common.m4 b/Build/source/m4/kpse-common.m4
index 4d472482950..b5455deb334 100644
--- a/Build/source/m4/kpse-common.m4
+++ b/Build/source/m4/kpse-common.m4
@@ -224,8 +224,7 @@ dnl
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_FUNC_CLOSEDIR_VOID
-AC_CHECK_HEADERS([assert.h float.h limits.h memory.h pwd.h stdlib.h \
- string.h strings.h sys/param.h unistd.h])
+AC_CHECK_HEADERS([assert.h float.h limits.h pwd.h stdlib.h sys/param.h])
dnl
dnl Replacement functions that may be required on ancient broken system.
AC_CHECK_FUNCS([putenv strcasecmp strtol strstr])
@@ -236,6 +235,10 @@ dnl
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
+AC_TYPE_INT64_T
+AC_TYPE_UINT64_T
+AS_CASE([:$ac_cv_c_int64_t:$ac_cv_c_int64_t:],
+ [*':no:'*], [AC_MSG_ERROR([Sorry, your compiler does not support 64-bit integer types.])])
dnl
dnl Check whether struct stat provides high-res time.
AC_CHECK_MEMBERS([struct stat.st_mtim])