Fix for systems such as Unixware that have a cc that does not support -o

[rsync/rsync.git] / configure.in

diff --git a/configure.in b/configure.in
index ce7c4f6..bb28f5d 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -2,6 +2,9 @@ dnl Process this file with autoconf to produce a configure script.
 AC_INIT(byteorder.h)
 AC_CONFIG_HEADER(config.h)
 
+AC_CANONICAL_SYSTEM
+AC_VALIDATE_CACHE_SYSTEM_TYPE
+
 dnl Checks for programs.
 AC_PROG_CC
 AC_PROG_INSTALL
@@ -16,6 +19,7 @@ AC_HEADER_SYS_WAIT
 AC_CHECK_HEADERS(sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h unistd.h utime.h grp.h)
 AC_CHECK_HEADERS(compat.h sys/param.h ctype.h sys/wait.h sys/ioctl.h)
 AC_CHECK_HEADERS(sys/filio.h string.h stdlib.h sys/socket.h sys/mode.h)
+AC_CHECK_HEADERS(glob.h)
 
 AC_CHECK_SIZEOF(int)
 AC_CHECK_SIZEOF(long)
@@ -38,11 +42,10 @@ echo yes; AC_DEFINE(HAVE_ERRNO_DECL),
 echo no)
 
 AC_FUNC_MEMCMP
-AC_FUNC_MMAP
 AC_FUNC_UTIME_NULL
-AC_CHECK_FUNCS(waitpid strtok pipe getcwd mkdir strdup strerror chown chmod mknod)
-AC_CHECK_FUNCS(fchmod fstat strchr bcopy bzero readlink link utime utimes)
-AC_CHECK_FUNCS(memmove getopt_long lchown setlinebuf vsnprintf setsid glob)
+AC_CHECK_FUNCS(mmap munmap waitpid getcwd strdup strerror chown chmod mknod)
+AC_CHECK_FUNCS(fchmod fstat strchr readlink link utime utimes strftime)
+AC_CHECK_FUNCS(memmove getopt_long lchown vsnprintf snprintf setsid glob strpbrk)
 
 echo $ac_n "checking for working fnmatch... $ac_c"
 AC_TRY_RUN([#include <fnmatch.h>
@@ -63,6 +66,14 @@ main() { struct stat64 st; off64_t s; if (sizeof(off_t) == sizeof(off64_t)) retu
 echo yes;AC_DEFINE(HAVE_OFF64_T), 
 echo no)
 
+echo $ac_n "checking for short ino_t ... $ac_c"
+AC_TRY_RUN([#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+main() { if (sizeof(ino_t) < sizeof(unsigned int)) return 0; return 1; }],
+echo yes;AC_DEFINE(HAVE_SHORT_INO_T), 
+echo no)
+
 echo $ac_n "checking for unsigned char ... $ac_c"
 AC_TRY_RUN([#include <stdio.h>
 main() { char c; c=250; exit((c > 0)?0:1); }],
@@ -116,5 +127,30 @@ if test "$ac_cv_lib_socket_connect" = "yes" ||
   AC_DEFINE(HAVE_CONNECT)
 fi])
 
+#
+# The following test was mostly taken from the tcl/tk plus patches
+#
+echo $ac_n "checking whether -c -o works ... $ac_c"
+rm -rf conftest*
+cat > conftest.$ac_ext <<EOF
+int main() { return 0; }
+EOF
+${CC-cc} -c -o conftest..o conftest.$ac_ext
+if test -f conftest..o; then
+    OBJ_SAVE="#"
+    OBJ_RESTORE="#"
+    CC_SHOBJ_FLAG='-o $@'
+    echo yes
+else
+    OBJ_SAVE=' @b=`basename $@ .o`;rm -f $$b.o.sav;if test -f $$b.o; then mv $$b.o $$b.o.sav;fi;'
+    OBJ_RESTORE='      @b=`basename $@ .o`;if test "$$b.o" != "$@"; then mv $$b.o $@; if test -f $$b.o.sav; then mv $$b.o.sav $$b.o; fi; fi'
+    CC_SHOBJ_FLAG=""
+    echo no
+fi
+rm -rf conftest*
+AC_SUBST(OBJ_SAVE)
+AC_SUBST(OBJ_RESTORE)
+AC_SUBST(CC_SHOBJ_FLAG)
+
 
 AC_OUTPUT(Makefile lib/dummy zlib/dummy)