cc/gcc: Apply CT_CC_GCC_DISABLE_PCH to do_cc_core.
Otherwise, users have to input --disable-libstdcxx-pch option
when building bare-metal CANADIAN C++ compiler.
Reviewed-by: Michael Hope
Signed-off-by: Zhenqiang Chen <zhenqiang.chen@linaro.org>
(transplanted from e3e1c9d45bddfbfb433ee9d583faf42fa31f50c0)
1 diff -u binutils-2.18-orig/configure binutils-2.18/configure
2 --- binutils-2.18-orig/configure 2007-08-06 16:29:40.000000000 -0400
3 +++ binutils-2.18/configure 2007-09-27 22:41:51.000000000 -0400
4 @@ -6125,10 +6125,10 @@
5 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
8 - # For an installed makeinfo, we require it to be from texinfo 4.4 or
9 + # For an installed makeinfo, we require it to be from texinfo 4.6 or
10 # higher, else we use the "missing" dummy.
11 if ${MAKEINFO} --version \
12 - | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
13 + | egrep 'texinfo[^0-9]*(4\.([6-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
16 MAKEINFO="$MISSING makeinfo"