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Diffstat (limited to 'm4/sysexits.m4')
| -rw-r--r-- | m4/sysexits.m4 | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/m4/sysexits.m4 b/m4/sysexits.m4 new file mode 100644 index 0000000..1e9f171 --- /dev/null +++ b/m4/sysexits.m4 @@ -0,0 +1,44 @@ +# sysexits.m4 serial 6 +dnl Copyright (C) 2003, 2005, 2007, 2009-2019 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 $ac_cv_header_sysexits_h = yes; then + HAVE_SYSEXITS_H=1 + gl_CHECK_NEXT_HEADERS([sysexits.h]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sysexits.h>]], + [[switch (0) + { + case EX_OK: + case EX_USAGE: + case EX_DATAERR: + case EX_NOINPUT: + case EX_NOUSER: + case EX_NOHOST: + case EX_UNAVAILABLE: + case EX_SOFTWARE: + case EX_OSERR: + case EX_OSFILE: + case EX_CANTCREAT: + case EX_IOERR: + case EX_TEMPFAIL: + case EX_PROTOCOL: + case EX_NOPERM: + case EX_CONFIG: + break; + } + ]])], + [SYSEXITS_H=], + [SYSEXITS_H=sysexits.h]) + else + HAVE_SYSEXITS_H=0 + SYSEXITS_H=sysexits.h + fi + AC_SUBST([HAVE_SYSEXITS_H]) + AC_SUBST([SYSEXITS_H]) + AM_CONDITIONAL([GL_GENERATE_SYSEXITS_H], [test -n "$SYSEXITS_H"]) +]) |