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serginhofr |
AC_INIT(riscv-toolchain, 1.0)
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AC_PROG_CC
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AC_PROG_FGREP
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AC_PATH_PROG([BASH], [bash],
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[AC_MSG_ERROR([bash not found])])
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AC_PATH_PROGS_FEATURE_CHECK([GAWK], [gawk awk],
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[AS_IF([$ac_path_GAWK --version 2>&1 | $FGREP GNU >/dev/null],
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[ac_cv_path_GAWK=$ac_path_GAWK ac_path_GAWK_found=:])],
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[AC_MSG_ERROR([GNU Awk not found])])
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AC_SUBST([GAWK], [$ac_cv_path_GAWK])
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AC_PATH_PROGS_FEATURE_CHECK([GSED], [gsed sed],
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[AS_IF([$ac_path_GSED --version 2>&1 | $FGREP GNU >/dev/null],
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[ac_cv_path_GSED=$ac_path_GSED ac_path_GSED_found=:])],
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[AC_MSG_ERROR([GNU sed not found])])
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AC_SUBST([GSED], [$ac_cv_path_GSED])
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need_gcc_external_libraries="no"
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AC_CHECK_LIB(gmp, __gmpz_init, ,
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[need_gcc_external_libraries="yes"])
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AC_CHECK_LIB(mpfr, mpfr_init, ,
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[need_gcc_external_libraries="yes"])
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AC_CHECK_LIB(mpc, mpc_init2, ,
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[need_gcc_external_libraries="yes"])
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AS_IF([test x"$need_gcc_external_libraries" != xno],
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[AC_SUBST(NEED_GCC_EXTERNAL_LIBRARIES,true)],
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[AC_SUBST(NEED_GCC_EXTERNAL_LIBRARIES,false)])
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AC_PATH_PROG([CURL], [curl], [no])
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AC_PATH_PROG([WGET], [wget], [no])
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AC_PATH_PROG([FTP], [ftp], [no])
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AS_IF([test x"$CURL" != xno], [FETCHER="$CURL -o - --ftp-pasv"],
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[test x"$WGET" != xno], [FETCHER="$WGET -O -"],
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[test x"$FTP" != xno], [FETCHER="$FTP -o - -p"],
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[AC_MSG_ERROR([no file transfer utility found])])
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AC_SUBST(FETCHER)
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AC_ARG_ENABLE(linux,
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[AS_HELP_STRING([--enable-linux],
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[set linux as the default make target @<:@--disable-linux@:>@])],
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[],
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[enable_linux=no]
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)
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AS_IF([test "x$enable_linux" != xno],
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[AC_SUBST(default_target, linux)],
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[AC_SUBST(default_target, newlib)])
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AC_ARG_WITH(xlen,
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[AS_HELP_STRING([--with-xlen=XLEN],
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[Set XLEN, the X-register bit width (default is 64)])],
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AC_SUBST(XLEN, $withval),
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AC_SUBST(XLEN, 64)
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)
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AC_ARG_WITH(arch,
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[AS_HELP_STRING([--with-arch=IMAFD],
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[Sets the base RISC-V ISA, defaults to IMAFD])],
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AC_SUBST(WITH_ARCH, --with-arch=$withval),
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AC_SUBST(WITH_ARCH,)
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)
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AC_ARG_ENABLE(atomic,
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[AS_HELP_STRING([--disable-atomic],
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[disable use of atomic memory instructions in glibc @<:@--enable-atomic@:>@])],
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[],
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[enable_atomic=yes]
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)
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AS_IF([test "x$enable_atomic" != xno],
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[],
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[AC_SUBST(atomic_cflags,-mno-atomic)])
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AC_ARG_ENABLE(float,
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[AS_HELP_STRING([--disable-float],
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[use software floating point in glibc @<:@--enable-float@:>@])],
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[],
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[enable_float=yes]
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)
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AS_IF([test "x$enable_float" != xno],
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[],
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[AC_SUBST(float_cflags,-msoft-float)dnl
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AC_SUBST(float_asflags,-msoft-float)dnl
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AC_SUBST(glibc_configure_flags,--without-fp)])
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AC_ARG_ENABLE(multilib,
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[AS_HELP_STRING([--enable-multilib],
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[build both RV32 and RV64 runtime libraries @<:@--disable-multilib@:>@])],
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[],
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[enable_multilib=no]
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)
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AS_IF([test "x$enable_multilib" != xno],
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[AC_SUBST(multilib_flags,)],
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[AC_SUBST(multilib_flags,--disable-multilib)])
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AC_CONFIG_FILES([Makefile])
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AC_CONFIG_FILES([scripts/wrapper/awk/awk], [chmod +x scripts/wrapper/awk])
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AC_CONFIG_FILES([scripts/wrapper/sed/sed], [chmod +x scripts/wrapper/sed])
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AC_OUTPUT
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