Removed check for union semun; cleaned up a bit.

configure.in

@@ -232,17 +232,6 @@ then
     AC_DEFINE(HAVE_OSS)
 fi
 
-dnl **** Check for union semun ****
-
-AC_CACHE_CHECK("for union semun", ac_cv_c_union_semun,
- AC_TRY_COMPILE([#include <sys/types.h>
-#include <sys/sem.h>],[union semun foo],
-                ac_cv_c_union_semun="yes", ac_cv_c_union_semun="no"))
-if test "$ac_cv_c_union_semun" = "yes"
-then
-    AC_DEFINE(HAVE_UNION_SEMUN)
-fi
-
 dnl **** If ln -s doesn't work, use cp instead ****
 if test "$ac_cv_prog_LN_S" = "ln -s"; then : ; else LN_S=cp ; fi
 
@@ -445,21 +434,67 @@ then
   AC_DEFINE(NO_REENTRANT_X11)
 fi
 
-dnl **** Check for functions and header files ****
-
-AC_CHECK_FUNCS(rfork clone _lwp_create getpagesize memmove sendmsg sigaltstack strerror stricmp tcgetattr timegm usleep wait4 waitpid vfscanf)
-AC_CHECK_HEADERS(wctype.h sys/syscall.h syscall.h sys/param.h sys/vfs.h sys/mount.h sys/statfs.h float.h linux/cdrom.h linux/ucdrom.h sys/cdio.h sys/filio.h sys/modem.h strings.h sys/strtio.h dlfcn.h unistd.h sys/sockio.h net/if.h netinet/in.h sys/file.h libio.h curses.h ncurses.h elf.h arpa/nameser.h resolv.h sys/lwp.h ucontext.h)
+dnl **** Check for functions ****
+
+AC_CHECK_FUNCS(\
+	_lwp_create \
+	clone \
+	getpagesize \
+	memmove \
+	rfork \
+	sendmsg \
+	sigaltstack \
+	strerror \
+	stricmp \
+	tcgetattr \
+	timegm \
+	usleep \
+	vfscanf \
+	wait4 \
+	waitpid \
+)
+
+dnl **** Check for header files ****
+
+AC_CHECK_HEADERS(\
+	arpa/nameser.h \
+	curses.h \
+	dlfcn.h \
+	elf.h \
+	float.h \
+	libio.h \
+	linux/cdrom.h \
+	linux/ucdrom.h \
+	ncurses.h \
+	net/if.h \
+	netinet/in.h \
+	resolv.h \
+	strings.h \
+	sys/cdio.h \
+	sys/file.h \
+	sys/filio.h \
+	sys/lwp.h \
+	sys/modem.h \
+	sys/mount.h \
+	sys/param.h \
+	sys/sockio.h \
+	sys/statfs.h \
+	sys/strtio.h \
+	sys/syscall.h \
+	sys/vfs.h \
+	syscall.h \
+	ucontext.h \
+	unistd.h \
+	wctype.h \
+)
 AC_HEADER_STAT()
+
+dnl **** Check for types ****
+
 AC_C_CONST()
 AC_TYPE_SIZE_T()
 AC_CHECK_SIZEOF(long long,0)
 
-dnl **** Check for sendmsg in -lsocket if not found above ****
-
-if test $ac_cv_func_sendmsg = no; then
-    AC_CHECK_LIB(socket,sendmsg)
-fi
-
 dnl **** statfs checks ****
 
 if test "$ac_cv_header_sys_vfs_h" = "yes"

include/acconfig.h

@@ -9,9 +9,6 @@
 /* Define to use .string instead of .ascii */
 #undef HAVE_ASM_STRING
 
-/* Define if union semun is defined in sys/sem.h */
-#undef HAVE_UNION_SEMUN
-
 /* Define if struct msghdr contains msg_accrights */
 #undef HAVE_MSGHDR_ACCRIGHTS
 

include/config.h.in

@@ -21,9 +21,6 @@
 /* Define to use .string instead of .ascii */
 #undef HAVE_ASM_STRING
 
-/* Define if union semun is defined in sys/sem.h */
-#undef HAVE_UNION_SEMUN
-
 /* Define if struct msghdr contains msg_accrights */
 #undef HAVE_MSGHDR_ACCRIGHTS