Add the "--with-cmodel" configure argument

This lets users select the code model when building the tools.

1 files changed, 21 insertions, 0 deletions

diff --git a/configure b/configure
index 5b98b5d..cd0cbe0 100755
--- a/configure
+++ b/configure
@@ -584,6 +584,7 @@ PACKAGE_URL=''
 
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
+cmodel
 gcc_checking
 multilib_names
 multilib_flags
@@ -655,6 +656,7 @@ with_arch
 with_abi
 enable_multilib
 enable_gcc_checking
+with_cmodel
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1299,6 +1301,8 @@ Optional Packages:
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
   --with-arch=rv64imafdc  Sets the base RISC-V ISA, defaults to rv64imafdc
   --with-abi=lp64d        Sets the base RISC-V ABI, defaults to lp64d
+  --with-cmodel           Select the code model to use when building libc and
+                          libgcc [--with-cmodel=medlow]
 
 Some influential environment variables:
   CC          C compiler command
@@ -3304,6 +3308,23 @@ else
 
 fi
 
+
+# Check whether --with-cmodel was given.
+if test "${with_cmodel+set}" = set; then :
+  withval=$with_cmodel;
+else
+  enable_gcc_checking=yes
+
+fi
+
+if test "x$with_cmodel" != x; then :
+  cmodel=-mcmodel=$with_cmodel
+
+else
+  cmodel=-mcmodel=medlow
+
+fi
+
 ac_config_files="$ac_config_files Makefile"
 
 ac_config_files="$ac_config_files scripts/wrapper/awk/awk"