diff options
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 9cc51d5c99f..d9f2167ad44 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -681,6 +681,10 @@ AC_ARG_ENABLE(shared, ], [enable_shared=yes]) AC_SUBST(enable_shared) +AC_ARG_WITH(build-sysroot, + [ --with-build-sysroot=sysroot + use sysroot as the system root during the build]) + AC_ARG_WITH(sysroot, [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.], [ @@ -691,7 +695,12 @@ AC_ARG_WITH(sysroot, TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)' - + if test "x$with_build_sysroot" != x; then + build_system_header_dir=$with_build_sysroot'$(NATIVE_SYSTEM_HEADER_DIR)' + else + build_system_header_dir='$(CROSS_SYSTEM_HEADER_DIR)' + fi + if test "x$exec_prefix" = xNONE; then if test "x$prefix" = xNONE; then test_prefix=/usr/local @@ -1643,7 +1652,7 @@ if test x$host != x$target then CROSS="-DCROSS_COMPILE" ALL=all.cross - SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' + SYSTEM_HEADER_DIR=$build_system_header_dir case "$host","$target" in # Darwin crosses can use the host system's libraries and headers, # because of the fat library support. Of course, it must be the @@ -1677,11 +1686,11 @@ fi # then define inhibit_libc in LIBGCC2_CFLAGS. # This prevents libgcc2 from containing any code which requires libc # support. -inhibit_libc= +inhibit_libc=false if { { test x$host != x$target && test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; } && { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then - inhibit_libc=-Dinhibit_libc + inhibit_libc=true fi AC_SUBST(inhibit_libc) |