Eliminate '#ifdef HAVE_FOO' for Posix-mandated FOOs.

[mmh] / configure.ac

diff --git a/configure.ac b/configure.ac
index 20bcbd1..5b2f640 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -340,11 +340,9 @@ AC_HEADER_TIME
 AC_HEADER_SYS_WAIT
 AC_HEADER_STAT
 AC_HEADER_TIOCGWINSZ
-AC_CHECK_HEADERS(string.h memory.h stdlib.h unistd.h errno.h fcntl.h \
-                 limits.h crypt.h termcap.h termio.h termios.h locale.h \
-                 langinfo.h wchar.h wctype.h iconv.h netdb.h \
-                 sys/param.h sys/time.h sys/utsname.h sys/stream.h \
-                 arpa/inet.h arpa/ftp.h)
+AC_CHECK_HEADERS(fcntl.h crypt.h termcap.h termio.h termios.h \
+                 langinfo.h wchar.h wctype.h iconv.h \
+                 sys/param.h sys/time.h sys/stream.h )
 
 dnl
 dnl Checks for _IO_write_ptr. A Linuxism used by nmh on linux. We
@@ -367,7 +365,7 @@ dnl CHECK FUNCTIONS
 dnl ---------------
 AC_CHECK_LIB(mkstemp,mkstemp)
 AC_CHECK_FUNCS(waitpid sigaction sigprocmask sigblock sigsetmask \
-               sighold sigrelse lstat uname tzset killpg mkstemp \
+               sighold sigrelse lstat tzset mkstemp \
                getutent nl_langinfo mbtowc wcwidth)
 
 dnl sigsetjmp may be a macro
@@ -391,16 +389,6 @@ AC_EGREP_HEADER(initgroups, grp.h, AC_DEFINE(INITGROUPS_HEADER, <grp.h>),
                 AC_EGREP_HEADER(initgroups, unistd.h,
                                 AC_DEFINE(INITGROUPS_HEADER, <unistd.h>)))
 
-dnl On AIX 4.1, snprintf() is defined in libc.a but there's no prototype in
-dnl <stdio.h> or elsewhere.  Apparently it's not officially supported (though it
-dnl seems to work perfectly and IBM apparently uses it in internal code).
-dnl Anyhow, if we omit our own snprintf() and vsnprintf() prototypes when we
-dnl HAVE_SNPRINTF, we get a billion warnings at compile time.  Use the C
-dnl preprocessor to preprocess stdio.h and make sure that there's actually a
-dnl prototype.
-AC_EGREP_HEADER(snprintf, stdio.h, AC_DEFINE(HAVE_SNPRINTF_PROTOTYPE,1,
-  [Define to 1 if <stdio.h> has a prototype for snprintf().]))
-
 dnl Check for multibyte character set support
 if test "x$ac_cv_header_wchar_h" = "xyes" -a "x$ac_cv_header_wctype_h" = "xyes" \
     -a "x$ac_cv_func_wcwidth" = "xyes" -a "x$ac_cv_func_mbtowc" = "xyes"; then