3 abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null |
4 sed -n 's/^#define __CSKYABI__ \(.*\)/\1/p'`
5 hard_float=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null |
6 sed -n 's/^#define __CSKY_HARD_FLOAT__ \(.*\)/\1/p'`
7 hard_float_sf=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null |
8 sed -n 's/^#define __CSKY_HARD_FLOAT_FPU_SF__ \(.*\)/\1/p'`
9 hard_float_abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null |
10 sed -n 's/^#define __CSKY_HARD_FLOAT_ABI__ \(.*\)/\1/p'`
14 echo "glibc does not support abiv1 yet" >&2
21 echo "Unknown abi" >&2
26 # __CSKY_HARD_FLOAT_ABI__ was added on gcc 11 to specify whether
27 # -mfloat-abi=hard is set. On older gcc, the float ABI is defined solely
28 # with __CSKY_HARD_FLOAT__. If __CSKY_HARD_FLOAT__ is set, it can be
29 # either a hard-float ABI (gcc older than 11, or gcc11 -mfloat-abi=hard
30 # (__CSKY_HARD_FLOAT_ABI__ is set) or -mfloat-abi=softfp
31 # (__CSKY_HARD_FLOAT_ABI__ is not set). To be compatible with older gcc,
32 # use __CSKY_HARD_FLOAT_FPU_SF__ identify if -mfloat-abi is supported,
33 # because it is added to gcc at the same time as -mfloat-abi.
34 if test -n "$hard_float"; then
35 if test -z "$hard_float_sf"; then
38 if test -n "$hard_float_abi"; then
51 $as_echo "#define CSKYABI $abi" >>confdefs.h
52 $as_echo "#define CSKY_HARD_FLOAT $with_fp_cond" >>confdefs.h