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 AC_EGREP_CPP(4 4 4, [__SIZEOF_INT__ __SIZEOF_LONG__ __SIZEOF_POINTER__
  11   ], libc_cv_riscv_int_abi=ilp32)
  12 if test $libc_cv_riscv_int_abi = no; then
  13   AC_MSG_ERROR([Unable to determine integer ABI])
  14 fi
  15
  16 if test $libc_cv_riscv_int_abi = ilp32; then
  17   arch_minimum_kernel=5.4.0
  18 fi
  19
  20 libc_cv_riscv_float_abi=no
  21 AC_EGREP_CPP(yes, [#ifdef __riscv_float_abi_double
  22                    yes
  23                    #endif
  24   ],libc_cv_riscv_float_abi=d)
  25 AC_EGREP_CPP(yes, [#ifdef __riscv_float_abi_soft
  26                    yes
  27                    #endif
  28   ],libc_cv_riscv_float_abi=)
  29 if test "$libc_cv_riscv_float_abi" = no; then
  30   AC_MSG_ERROR([Unable to determine floating-point ABI])
  31 fi
  32
  33 LIBC_CONFIG_VAR([default-abi], [$libc_cv_riscv_int_abi$libc_cv_riscv_float_abi])
  34
  35 case $libc_cv_riscv_int_abi$libc_cv_riscv_float_abi-$machine in
  36 lp64-riscv/rv64/*)
  37   LIBC_SLIBDIR_RTLDDIR([lib64/lp64], [lib])
  38   ;;
  39 lp64d-riscv/rv64/*)
  40   LIBC_SLIBDIR_RTLDDIR([lib64/lp64d], [lib])
  41   ;;
  42 ilp32-riscv/rv32/*)
  43   LIBC_SLIBDIR_RTLDDIR([lib32/ilp32], [lib])
  44   ;;
  45 ilp32d-riscv/rv32/*)
  46   LIBC_SLIBDIR_RTLDDIR([lib32/ilp32d], [lib])
  47   ;;
  48 esac
  49
  50 ldd_rewrite_script=sysdeps/unix/sysv/linux/riscv/ldd-rewrite.sed