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Don't use readlinkat if it does not exist

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This fixes bug #377.
This commit is contained in:
Marcus Comstedt
2014-07-04 11:55:04 +02:00
committed by Uwe Hermann
parent 970f279ae4
commit 5bd33b7c8b
2 changed files with 11 additions and 0 deletions
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3
configure.ac
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@@ -119,6 +119,9 @@ AC_CHECK_MEMBERS([struct termios.c_ispeed, struct termios.c_ospeed],
AC_CHECK_MEMBERS([struct termios2.c_ispeed, struct termios2.c_ospeed],
[AC_DEFINE(HAVE_TERMIOS2_SPEED, 1)], [], [[#include <linux/termios.h>]])
# Check for readlinkat.
AC_CHECK_FUNC([readlinkat], [AC_DEFINE(HAVE_READLINKAT, 1)], [])
saved="$CFLAGS"; CFLAGS="$CFLAGS -Werror"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
__attribute__((visibility("hidden"))) void foo(void) { }