diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 51b53b5c56a..a1b9da4fa9e 100644 --- a/configure.ac +++ b/configure.ac @@ -1546,6 +1546,11 @@ if test "x$with_mpfr_lib" != x; then gmplibs="-L$with_mpfr_lib $gmplibs" fi if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then + # MPFR v3.1.0 moved the sources into a src sub-directory. + if ! test -d ${srcdir}/mpfr/src; then + AC_MSG_ERROR([dnl +Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) + fi gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" |