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 --- trunk/src/acos.c 2009/12/08 16:49:43 733
2 +++ trunk/src/acos.c 2009/12/09 20:51:38 734
5 rnd_im = rnd_im == GMP_RNDU ? GMP_RNDD
6 : rnd_im == GMP_RNDD ? GMP_RNDU
7 -#if MPFR_VERSION_MAJOR >= 3
8 - : rnd_im == GMP_RNDA ? GMP_RNDZ
11 + : rnd_im; /* both RNDZ and RNDA map to themselves for -asin(z) */
12 rnd1 = RNDC(GMP_RNDN, rnd_im);
13 mpfr_init2 (pi_over_2, p);