--- rpl/configure.ac	2011/10/02 14:14:29	1.2
+++ rpl/configure.ac	2011/10/03 15:57:51	1.3
@@ -90,14 +90,14 @@ fi
 dnl Checks for Fortran 77 compiler
 AC_PROG_F77(gfortran)
 
-if test "$F77" != gfortran -a "$F77" != gfortran-4.4; then
-	AC_MSG_ERROR([Cannot find gfortran! You have to install it.])
-fi
-
 dnl Check for Fortran 9* compiler
 AC_PROG_FC(gfortran)
 
-if test "$FC" != gfortran -a "$FC" != gfortran-4.4; then
+if test x"$F77" == x; then
+	AC_MSG_ERROR([Cannot find gfortran! You have to install it.])
+fi
+
+if test x"$FC" == x; then
 	AC_MSG_ERROR([Cannot find gfortran! You have to install it.])
 fi
 
@@ -164,10 +164,23 @@ fi
 
 LDFLAGS="$LDFLAGS $ABI"
 
+AC_ARG_WITH(rpltools,
+[  --with-rpltools         specify rpltools path used for cross compilation],[
+if test "$with_rpltools" = "no" -o "$with_rpltools" = yes; then
+	AC_MSG_ERROR([You have to specify rpltools path !])
+else
+	RPLTOOLS=$with_rpltools
+fi],[
+	RPLTOOLS=\$\(top_builddir\)
+	]
+)
+
+AC_SUBST(RPLTOOLS)
+
 dnl RPL/CAS support
-AC_ARG_WITH(rplcas,
-[  --with-rplcas           compile rplcas (default=no)],[
-if test "$with-rplcas" = "no"; then
+AC_ARG_ENABLE(rplcas,
+[  --enable-rplcas         compile rplcas (default=no)],[
+if test "$enableval" = "no"; then
 	RPLCAS=-URPLCAS
 	LIBRPLCAS=
 else
@@ -207,11 +220,14 @@ fi],[
 AC_ARG_ENABLE(sysv-ipcs,
 [  --enable-sysv-ipcs      use SystemV IPC functions [[default=guessed]]], [
 if test "$enableval" = "no"; then
-	IPCS_SYSV=no
+	IPCS_SYSV=-UIPCS_SYSV
+	POSIX_IPCS=no
 else
-	IPCS_SYSV=yes
+	IPCS_SYSV=-DIPCS_SYSV
+	POSIX_IPCS=yes
 fi],
 REG=$LDFLAGS
+POSIX_IPCS=guessed
 LDFLAGS=-lrt
 [AC_MSG_CHECKING([for POSIX semaphores and shared objects])
 AC_RUN_IFELSE(
@@ -234,7 +250,7 @@ fd = shm_open(sem , O_CREAT | O_RDWR, S_
 LDFLAGS=$REG
 )
 
-if test "$IPCS_SYSV" = "-UIPCS_SYSV"; then
+if test "$IPCS_SYSV" = "-UIPCS_SYSV" -a "$POSIX_IPCS" = "guessed"; then
 REG=$LDFLAGS
 LDFLAGS=-pthread
 AC_MSG_CHECKING([for POSIX anonymous semaphores])
@@ -1011,7 +1027,7 @@ fi
 
 AC_SUBST(GNUPLOT_COMPILATION)
 
-HOST=$host
+HOST=$target
 AC_SUBST(HOST)
 
 my_save_cflags="$CFLAGS"