sysdeps/unix/sysv/linux/riscv/configure.ac

   1 sinclude(./aclocal.m4)dnl Autoconf lossage
   2 GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
   3 # Local configure fragment for sysdeps/unix/sysv/linux/riscv.
   4
   5 arch_minimum_kernel=4.15.0
   6
   7 libc_cv_riscv_int_abi=no
   8 AC_EGREP_CPP(4 8 8, [__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
   9   ], libc_cv_riscv_int_abi=lp64)
  10 if test $libc_cv_riscv_int_abi = no; then
  11   AC_MSG_ERROR([Unable to determine integer ABI])
  12 fi
  13
  14 libc_cv_riscv_float_abi=no
  15 AC_EGREP_CPP(yes, [#ifdef __riscv_float_abi_double
  16                    yes
  17                    #endif
  18   ],libc_cv_riscv_float_abi=d)
  19 AC_EGREP_CPP(yes, [#ifdef __riscv_float_abi_soft
  20                    yes
  21                    #endif
  22   ],libc_cv_riscv_float_abi=)
  23 if test "$libc_cv_riscv_float_abi" = no; then
  24   AC_MSG_ERROR([Unable to determine floating-point ABI])
  25 fi
  26
  27 LIBC_CONFIG_VAR([default-abi], [$libc_cv_riscv_int_abi$libc_cv_riscv_float_abi])
  28
  29 case $libc_cv_riscv_int_abi$libc_cv_riscv_float_abi-$machine in
  30 lp64-riscv/rv64/*)
  31   LIBC_SLIBDIR_RTLDDIR([lib64/lp64], [lib])
  32   ;;
  33 lp64d-riscv/rv64/*)
  34   LIBC_SLIBDIR_RTLDDIR([lib64/lp64d], [lib])
  35   ;;
  36 esac
  37
  38 ldd_rewrite_script=sysdeps/unix/sysv/linux/riscv/ldd-rewrite.sed