configure: fix timezone/tm checks to work on Linux (time.h is needed)

2021-10-24 12:01:45 -06:00
parent 18e6813b3c
commit 9ca0cf7545
1 changed files with 4 additions and 2 deletions
--- a/cde/configure.ac
+++ b/cde/configure.ac
@@ -404,8 +404,10 @@ AC_CHECK_SIZEOF([long long])
 AC_CHECK_SIZEOF([time_t])

 AC_STRUCT_TIMEZONE
-AC_CHECK_DECLS([timezone])
-AC_CHECK_MEMBERS([struct tm.tm_gmtoff])
+AC_CHECK_DECLS([timezone],,,
+        [#include <time.h>])
+AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,
+        [#include <time.h>])

 dnl jpeg
 AC_CHECK_LIB(jpeg, jpeg_read_header, [JPEGLIB="-ljpeg"],