[INSTALL] Added information about --with-sysroot.

git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@8068 280ebfd0-de03-0410-8827-d642c229c3f4

1 files changed, 8 insertions, 0 deletions

diff --git a/INSTALL b/INSTALL
index 0e775af3c..e69b92d0b 100644
--- a/INSTALL
+++ b/INSTALL
@@ -201,6 +201,14 @@ specific architecture.
                         this option is used. Thus it must not be used in
                         binary distributions.
 
+--with-sysroot=DIR      Search for dependent libraries within DIR (which
+                        may be useful in cross-compilation). If you use
+                        this option, you need to have Libtool 2.4+ on
+                        the target system. See Libtool 2.4+'s NEWS file.
+                        Technical information can be found at [1].
+
+[1] http://permalink.gmane.org/gmane.comp.gnu.libtool.patches/10111
+
 Note: By default, the configure script tries to set CC/CFLAGS to GMP's
 ones (this feature needs GMP 4.3.0 or later, or the --with-gmp-build
 option). However this is not guaranteed to work as the configure script