diff options
Diffstat (limited to 'gl/m4/sysexits.m4')
| -rw-r--r-- | gl/m4/sysexits.m4 | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gl/m4/sysexits.m4 b/gl/m4/sysexits.m4 new file mode 100644 index 0000000..fe590b3 --- /dev/null +++ b/gl/m4/sysexits.m4 @@ -0,0 +1,42 @@ +# sysexits.m4 serial 7 +dnl Copyright (C) 2003, 2005, 2007, 2009-2022 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN([gl_SYSEXITS], +[ + AC_CHECK_HEADERS_ONCE([sysexits.h]) + if test $ac_cv_header_sysexits_h = yes; then + HAVE_SYSEXITS_H=1 + gl_CHECK_NEXT_HEADERS([sysexits.h]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sysexits.h>]], + [[switch (0) + { + case EX_OK: + case EX_USAGE: + case EX_DATAERR: + case EX_NOINPUT: + case EX_NOUSER: + case EX_NOHOST: + case EX_UNAVAILABLE: + case EX_SOFTWARE: + case EX_OSERR: + case EX_OSFILE: + case EX_CANTCREAT: + case EX_IOERR: + case EX_TEMPFAIL: + case EX_PROTOCOL: + case EX_NOPERM: + case EX_CONFIG: + break; + } + ]])], + [GL_GENERATE_SYSEXITS_H=false], + [GL_GENERATE_SYSEXITS_H=true]) + else + HAVE_SYSEXITS_H=0 + GL_GENERATE_SYSEXITS_H=true + fi + AC_SUBST([HAVE_SYSEXITS_H]) +]) |