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configure.in
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dnl Copyright (C) 1997-2019, The AROS Development Team. All rights reserved.
dnl $Id$
dnl
dnl Desc: Autoconf source for configuration file
dnl Lang: english
# Note: After file changes, generate configure anew and commit _both_ files.
#TODO
# method of getting shared/non-shared ld/ar tool for target.
# ------------------------------------------------------------------------
# Here starts the first section of the configure.in file.
# ------------------------------------------------------------------------
AC_INIT(mmakefile)
AC_PREREQ(2.61)
AC_CONFIG_AUX_DIR(scripts/autoconf)
# Check what host we are running on.
# If a target is not suggested, we use this one.
# Note that what we call a target, Autoconf calls a host.
AC_CANONICAL_HOST
# Default versions for the gnu tools we build
default_toolchain_family=`cat ${srcdir}/config/toolchain_def`
default_gcc_version=`cat ${srcdir}/config/gcc_def`
exp_gcc_version=`cat ${srcdir}/config/gcc_exp`
default_binutils_version=`cat ${srcdir}/config/binutils_def`
default_llvm_version=`cat ${srcdir}/config/llvm_def`
exp_binutils_version=`cat ${srcdir}/config/binutils_exp`
default_grub2_version="2.02"
target_grub2_version=$default_grub2_version
# The AROS target is slightly different to the normal GNU style
# format. We don't have the middle part, and we reverse the order
# of the $(CPU) and $(OS) bits.
#
# Don't strip the version of the target yet, it might be
# useful on some systems.
AC_MSG_CHECKING([for AROS style target])
if test "$target" = "NONE" ; then
target=$host_os-$host_cpu
else
if test "$target" = "" ; then
target=$host_os-$host_cpu
fi
fi
AC_MSG_RESULT($target)
if test "$host_os" = "mingw32" ; then
PWDCMD="pwd -W"
fi
# Don't know where else to put this...
AC_MSG_CHECKING([building AROS in])
AROS_BUILDDIR=`${PWDCMD-pwd}`
AROS_BUILDDIR_UNIX=${PWD}
AC_MSG_RESULT($AROS_BUILDDIR)
AC_MSG_CHECKING([AROS source in])
srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
SRCDIR=${srcpwd}
AC_MSG_RESULT($SRCDIR)
# Parse the target field into something useful.
changequote(<<,>>)
target_os=`echo $target | sed 's/^\([^-].*\)-\(.*\)$/\1/'`
target_cpu=`echo $target | sed 's/^\([^-].*\)-\(.*\)$/\2/'`
changequote([,])
# Some debug output, to be removed again.
AC_MSG_CHECKING([for target system (debug output)])
AC_MSG_RESULT($target_os)
AC_MSG_CHECKING([for target cpu (debug output)])
AC_MSG_RESULT($target_cpu)
dnl --------------------------------------------------------------------
dnl Set the default Workbench resolution
dnl --------------------------------------------------------------------
aros_nominal_width=800
aros_nominal_height=600
aros_nominal_depth=4
dnl --------------------------------------------------------------------
dnl Host Configuration Section
dnl --------------------------------------------------------------------
dnl
dnl The idea here is to find out all the information we need about the
dnl host. This means things like tools for building directory structures,
dnl copying files around and the like.
HOST_WANTS_X11=
HOST_WANTS_GLX=
HOST_WANTS_SDL=
HOST_WANTS_DBUS=
HOST_WANTS_DLOPEN=
default_c_compilers="gcc clang cc"
AC_ARG_WITH(c-compiler,AC_HELP_STRING([--with-c-compiler=VERSION],[Use specified c compiler for building AROS]),use_c_compiler="$withval",use_c_compiler="")
if test "$use_c_compiler" = ""; then
host_c_compilers="$default_c_compilers"
else
host_c_compilers="$use_c_compiler"
CC=$use_c_compiler
fi
default_cxx_compilers="g++ clang++ c++"
AC_ARG_WITH(cxx-compiler,AC_HELP_STRING([--with-cxx-compiler=VERSION],[Use specified c++ compiler building AROS]),use_cxx_compiler="$withval",use_cxx_compiler="")
if test "$use_cxx_compiler" = ""; then
host_cxx_compilers="$default_cxx_compilers"
else
host_cxx_compilers="$use_cxx_compiler"
CXX=$use_cxx_compiler
fi
# The first step is to find the host binaries.
# Check for a compiler.
# Due to a bug in autoconf check for c++ compiler first.
# For mor info see, http://osdir.com/ml/bug-autoconf-gnu/2010-05/msg00001.html.
AC_PROG_CXX([${host_cxx_compilers}])
CXX_BASE=$CXX
AC_PATH_PROG(CXX,$CXX)
AC_PROG_CC([${host_c_compilers}])
CC_BASE=$CC
AC_PROG_CPP
CPP_BASE=$CPP
AC_PATH_PROG(CC,$CC)
aros_host_def_cc="$CC"
AC_PROG_CC_STDC
AC_PROG_CPP
# detect the compiler version
AC_MSG_CHECKING([which toolchain family ${CC_BASE} belongs to])
HOST_COMPILER_VERSION=`"$CC" --version 2>/dev/null`
if test x"$HOST_COMPILER_VERSION" = "x"; then
HOST_COMPILER_VERSION=`"$CC" --qversion 2>/dev/null`
fi
if test x"$HOST_COMPILER_VERSION" = "x"; then
HOST_COMPILER_VERSION=`"$CC" -V 2>/dev/null`
fi
IS_SUN_COMPILER=`echo $HOST_COMPILER_VERSION | grep -i -c -E 'Sun C\+\+'`
if test "$IS_SUN_COMPILER" -ne "0"; then
HOST_TOOLCHAIN_PREFIX=
HOST_TOOLCHAIN_SUFFIX=
HOST_TOOLCHAIN_FAMILY=sun
fi
IS_LLVM_COMPILER=`echo $HOST_COMPILER_VERSION | grep -i -c -E 'LLVM|clang'`
if test "$IS_LLVM_COMPILER" -ne "0"; then
if test "$CC_BASE" != "gcc"; then
HOST_TOOLCHAIN_PREFIX=llvm-
HOST_TOOLCHAIN_SUFFIX="`echo $CC_BASE | sed -e \"s|clang||g\"`"
HOST_TOOLCHAIN_FAMILY=llvm
else
IS_GNU_COMPILER=1
fi
fi
if test "x$IS_GNU_COMPILER" = "x"; then
IS_GNU_COMPILER=`echo $HOST_COMPILER_VERSION | grep -i -c -E 'gcc'`
fi
if test "$IS_GNU_COMPILER" -ne "0"; then
HOST_TOOLCHAIN_PREFIX=
HOST_TOOLCHAIN_SUFFIX=
HOST_TOOLCHAIN_FAMILY=gnu
fi
if test x"$HOST_TOOLCHAIN_FAMILY" = "x"; then
HOST_TOOLCHAIN_FAMILY=unknown
fi
AC_MSG_RESULT($HOST_TOOLCHAIN_FAMILY)
# Check for a compatible awk
AC_CHECK_PROGS(AWK,[gawk nawk])
AROS_REQUIRED(gawk,$AWK)
AROS_PROG(MMAKE,mmake)
# Perform some default variable assignments. Note all of these will be
# Regenerated from the script, so there is no need to cache them.
aros_build_host=$host
aros_host_cpp="$CPP"
aros_host_cc="$CC"
aros_host_cxx="$CXX"
base_ld_name=${HOST_TOOLCHAIN_PREFIX}ld${HOST_TOOLCHAIN_SUFFIX}
if test "$HOST_TOOLCHAIN_FAMILY" = "llvm"; then
AC_CHECK_PROGS(base_lld_name,[$base_ld_name ld.lld${HOST_TOOLCHAIN_SUFFIX} ld64.lld${HOST_TOOLCHAIN_SUFFIX} ld-link${HOST_TOOLCHAIN_SUFFIX}.exe ld${HOST_TOOLCHAIN_SUFFIX}])
LD_BASE=$base_lld_name
else
AC_CHECK_PROG(LD_BASE,$base_ld_name)
fi
AROS_TOOL_CCPATH(aros_host_ld,ld,$LD_BASE)
AROS_REQUIRED(ld,$aros_host_ld)
aros_host_make="make"
aros_host_cflags="$CFLAGS"
aros_host_cxxflags="$CXXFLAGS"
aros_host_cppflags="$CPPFLAGS"
aros_host_ldflags="$LDFLAGS"
aros_host_debug="-g -O0"
aros_host_mkdep="\$(SRCDIR)/scripts/mkdep"
aros_host_mkargs="--no-print-directory"
aros_host_exe_suffix="$EXEEXT"
aros_host_lib_suffix=""
# Ignore all compliance, AROS ROMs = 0
# KickStart v1.0 = 30
# KickStart v1.3 = 34
# KickStart v2.0 = 37
# KickStart v3.0 = 39
# KickStart v3.1 = 40
# AmigaOS v3.5 = 44
aros_amigaos_compliance=0
AC_CHECK_PROGS(aros_host_aclocal,[aclocal aclocal19 aclocal-1.9])
AC_CHECK_PROGS(aros_host_autoconf,[autoconf autoconf259 autoconf253])
AC_CHECK_PROGS(aros_host_autoheader,[autoheader autoheader259 autoheader253])
AC_CHECK_PROGS(aros_host_automake,[automake automake19 automake-1.9])
AROS_REQUIRED(aclocal/aclocal19/aclocal-1.9, $aros_host_aclocal)
AROS_REQUIRED(automake/automake19/automake-1.9, $aros_host_automake)
case "$aros_host_cc" in
*clang*)
aros_host_cc_pipe=""
;;
*gcc*)
aros_host_cc_pipe="-pipe"
;;
icc)
aros_host_cc_pipe=""
;;
*)
aros_host_cc_pipe=""
;;
esac
aros_kernel_cc_includes=""
aros_target_cc_includes=""
host_cc_elf=yes
# ----------------------------------------------------------------------------------------
# Host-specific defaults
#
# This is the main host configuration section. It is where the host
# can change the values of any variables it needs to change. We do
# not look at anything that compiles to the target yet, we'll get
# to that later.
case "$host_os" in
aros*)
aros_host_arch="aros"
aros_host_cflags="$aros_host_cflags $aros_host_cc_pipe"
case "$host_cpu" in
*i?86*)
aros_host_cpu="i386"
;;
*x86_64*)
aros_host_cpu="x86_64"
;;
*powerpc*)
aros_host_cpu="ppc"
;;
*)
AC_MSG_WARN("Unknown CPU for host -- $host_cpu")
aros_host_cpu="$host_cpu"
;;
esac
;;
linux*)
aros_host_arch="linux"
aros_host_cflags="$aros_host_cflags $aros_host_cc_pipe"
android_build_os="linux-x86"
android_tool="android"
default_android_sdk="/opt/android-sdk-linux_x86"
case "$host_cpu" in
*i?86*)
aros_host_cpu="i386"
;;
*x86_64*)
aros_host_cpu="x86_64"
;;
*m68k*)
aros_host_cpu="m68k"
;;
*powerpc*)
aros_host_cpu="ppc"
;;
*arm*)
aros_host_cpu="arm"
;;
*)
AC_MSG_WARN("Unknown CPU for host -- $host_cpu")
aros_host_cpu="$host_cpu"
;;
esac
;;
freebsd*)
aros_host_cflags="$aros_host_cflags $aros_host_cc_pipe -I/usr/local/include"
aros_host_make="gmake"
aros_host_arch="freebsd"
aros_host_cpu="i386"
aros_host_ldflags="$aros_host_ldflags -L/usr/local/lib -liconv"
dnl FreeBSD 5.x (and later) has changed the default object format.
dnl The double [[]] is necessary to get around m4's quoting rules.
case $host_os in
freebsd[[234]]*)
aros_object_format="elf_i386"
;;
*)
aros_object_format="elf_i386_fbsd"
;;
esac
;;
darwin*)
AC_MSG_CHECKING([for macOS SDK files])
LOC=$( xcode-select -p )
AS_IF([ test $? != 0],[AC_MSG_ERROR([XCode incorrectly configured!
please run 'xcode-select --install' before
re-running configure])])
AC_MSG_RESULT($LOC)
aros_host_cflags="$aros_host_cflags $aros_host_cc_pipe"
aros_host_arch="darwin"
host_cc_elf=no
if [[ -z ${SED+x} ]]; then SED="gsed"; fi
android_build_os="darwin-x86"
android_tool="android"
default_android_sdk="/android-sdk-mac_x86"
case "$host_cpu" in
*i?86*)
aros_host_cpu="i386"
;;
*x86_64*)
aros_host_cpu="x86_64"
;;
*powerpc*)
aros_host_cpu="ppc"
;;
*)
AC_MSG_WARN("Unknown CPU for Darwin host -- $host_cpu")
aros_host_cpu="$host_cpu"
;;
esac
aros_host_ldflags="$aros_host_ldflags -liconv"
;;
dragonfly*)
aros_host_cflags="$aros_host_cflags $aros_host_cc_pipe"
aros_host_make="gmake"
aros_host_arch="dragonfly"
case $host_cpu in
*i?86*)
aros_host_cpu="i386"
;;
*amd64*)
aros_host_cpu="x86_64"
;;
*)
AC_MSG_WARN("Unknown CPU for host -- $host_cpu")
aros_host_cpu="$host_cpu"
;;
esac
;;
netbsd*)
aros_host_cflags="$aros_host_cflags $aros_host_cc_pipe"
aros_host_make="gmake"
aros_host_arch="netbsd"
case "$host_cpu" in
*i?86*)
aros_host_cpu="i386"
;;
*m68k*)
aros_host_cpu="m68k"
;;
*)
AC_MSG_WARN("Unknown CPU for host -- $host_cpu")
aros_host_cpu="$host_cpu"
;;
esac
aros_host_lib_suffix=".0.0"
;;
openbsd*)
aros_host_cflags="$aros_host_cflags $aros_host_cc_pipe"
aros_host_make="gmake"
aros_host_arch="openbsd"
case "$host_cpu" in
*i?86*)
aros_host_cpu="i386"
;;
*)
AC_MSG_WARN("Unknown CPU for host -- $host_cpu")
aros_host_cpu="$host_cpu"
;;
esac
;;
solaris*)
aros_host_arch="solaris"
aros_host_cflags="$aros_host_cflags $aros_host_cc_pipe"
case "$host_cpu" in
*i?86*)
aros_host_cpu="i386"
;;
*sparc*)
aros_host_cpu="sparc"
;;
*)
AC_MSG_WARN("Unknown CPU for host -- $host_cpu")
aros_host_cpu="$host_cpu"
;;
esac
;;
morphos*)
aros_host_arch="morphos"
aros_host_cpu="ppc"
host_cc_elf=no
;;
amiga*)
aros_host_arch="amiga"
host_cc_elf=no
SORT="/gg/bin/sort"
TEST="/gg/bin/test"
UNIQ="/gg/bin/uniq"
FOR="for"
TOUCH="/gg/bin/touch"
case "$host_cpu" in
*m68k*)
aros_host_cpu="m68k"
;;
*powerpc*)
aros_host_cpu="ppc"
;;
*)
AC_MSG_WARN("Unknown CPU for host -- $host_cpu")
aros_host_cpu="$host_cpu"
;;
esac
;;
cygwin*)
aros_host_arch="cygwin"
aros_host_cflags="$aros_host_cflags $aros_host_cc_pipe"
host_cc_elf=no
android_build_os="windows"
android_tool="android.bat"
default_android_sdk="/cygdrive/c/android-sdk-windows-1.6_r1"
case "$host_cpu" in
*i?86*)
aros_host_cpu="i386"
;;
*)
AC_MSG_WARN("Unknown CPU for host -- $host_cpu")
aros_host_cpu="$host_cpu"
;;
esac
;;
mingw32*)
aros_host_arch="mingw32"
aros_host_cflags="$aros_host_cflags $aros_host_cc_pipe"
host_cc_elf=no
android_build_os="windows"
android_tool="android.bat"
default_android_sdk="/c/android-sdk-windows-1.6_r1"
libpng_libextra="-lws2_32"
case "$host_cpu" in
*i?86*)
dnl Currently there's neither 64-bit MinGW nor MSYS. Both environments are 32-bit
dnl and run under emulation. Consequently, uname reports i386 even on 64-bit systems.
dnl Here we attempt to detect Windows home platform by asking gcc about its target.
dnl 64-bit gcc will output "x86_64-w64-mingw32" here.
AC_MSG_CHECKING([for Windows native gcc target])
host_cpu=`gcc -dumpmachine`
AC_MSG_RESULT($host_cpu)
;;
esac
case "$host_cpu" in
*i?86*)
aros_host_cpu="i386"
;;
mingw32*)
dnl Native i386 gcc for MinGW32 reports 'mingw32' with -dumpmachine switch
aros_host_cpu="i386"
;;
*x86_64*)
aros_host_cpu="x86_64"
dnl Dragon's x86_64-w64-mingw32-gcc is a bit broken. It ignores standard $prefix/include
dnl directory, so we have to add it explicitly here.
aros_host_cflags="$aros_host_cflags -isystem /mingw/include"
;;
*)
AC_MSG_WARN("Unknown CPU for host -- $host_cpu")
aros_host_cpu="$host_cpu"
;;
esac
;;
*)
AC_MSG_ERROR([Unsupported host architecture $host])
;;
esac
base_ar_name=${HOST_TOOLCHAIN_PREFIX}ar${HOST_TOOLCHAIN_SUFFIX}
AROS_PROG(AR_BASE,$base_ar_name)
aros_host_ar_flags="cr"
aros_host_cmd_ar="$AR_BASE $aros_host_ar_flags"
AROS_PATH_PROG(aros_host_plain_ar,$aros_host_cmd_ar)
aros_host_ar=`echo $aros_host_cmd_ar | sed -e "s|$base_ar_name|$aros_host_plain_ar|g"`
AROS_REQUIRED(ar,$aros_host_ar)
base_ranlib_name=${HOST_TOOLCHAIN_PREFIX}ranlib${HOST_TOOLCHAIN_SUFFIX}
AROS_PROG(RANLIB_BASE,$base_ranlib_name)
AROS_PATH_PROG(aros_host_ranlib,$RANLIB_BASE)
AROS_REQUIRED(ranlib,$aros_host_ranlib)
AROS_PROG(aros_host_strip,strip)
AROS_REQUIRED(strip,$aros_host_strip)
AROS_PROG(RM,[rm],[-rf])
AROS_REQUIRED(rm,$RM)
AROS_PROG(CP,[cp])
AROS_REQUIRED(cp,$CP)
AROS_PROG(MV,[mv])
AROS_REQUIRED(mv,$MV)
AROS_PROG(ECHO,[echo])
AROS_REQUIRED(echo,$ECHO)
AROS_PROG(MKDIR,[mkdir],[-p])
AROS_REQUIRED(mkdir,$MKDIR)
AROS_PROG(TOUCH,[touch])
AROS_REQUIRED(touch,$TOUCH)
AROS_PROG(SORT,[sort])
AROS_REQUIRED(sort,$SORT)
AROS_PROG(UNIQ,[uniq])
AROS_REQUIRED(uniq,$UNIQ)
AROS_PROG(NOP,[true])
AROS_REQUIRED(true,$NOP)
AROS_PROG(CAT,[cat])
AROS_REQUIRED(cat,$CAT)
AROS_PROG(BISON,[bison])
AROS_REQUIRED(bison,$BISON)
AROS_PROG(FLEX,[flex])
AROS_REQUIRED(flex,$FLEX)
AC_MSG_CHECKING([version of $FLEX])
ax_cv_flex_version="`$FLEX --version | cut -d\" \" -f2`"
AC_MSG_RESULT($ax_cv_flex_version)
AROS_PROG(PNGTOPNM,[pngtopnm])
AROS_REQUIRED(pngtopnm,$PNGTOPNM)
AROS_PROG(PPMTOILBM,[ppmtoilbm])
AROS_REQUIRED(ppmtoilbm,$PPMTOILBM)
AROS_PROG(SED,[sed])
AROS_REQUIRED(sed,$SED)
AROS_PROG(CHMOD,[chmod])
AROS_REQUIRED(chmod,$CHMOD)
AROS_PROG(PATCH,[patch])
AROS_REQUIRED(patch,$PATCH)
AM_PATH_PYTHON(2.5)
AC_ARG_ENABLE([libpng-config], [--disable-libpng-config disable libpng-config test and configuration])
if test "$enable_libpng_config" != "no"; then
AC_CHECK_PROG([arosconfig_use_libpngconfig],[libpng-config],[yes],[no])
fi
if test "$arosconfig_use_libpngconfig" = "yes"; then
AC_MSG_CHECKING([libpng-config library])
libpng_incdir="`libpng-config --cflags`"
libpng_libextra="$libpng_libextra `libpng-config --ldflags`"
libpng="`libpng-config --libs`"
AC_MSG_RESULT($libpng)
else
AC_CHECK_LIB(png, png_read_png, [libpng="-lpng"], [libpng="no"])
if test "$libpng_libextra" != ""; then
if test "$libpng" != "no"; then
libpng_libextra="$libpng_libextra $libpng"
fi
fi
fi
AROS_REQUIRED(libpng, $libpng)
AC_SUBST(libpng)
AC_SUBST(libpng_libextra)
AC_SUBST(libpng_incdir)
AC_SUBST(FOR, for)
AC_SUBST(IF, if)
AC_SUBST(TEST, test)
AC_SUBST(CMP, cmp)
dnl ---------------------------------------------------------------------------
dnl Look for things about the host system, good for hosted targets.
dnl ---------------------------------------------------------------------------
# Check for some includes for the X11 HIDD and the kernel
AC_CHECK_HEADERS([sys/ipc.h sys/shm.h \
sys/mmap.h sys/mman.h sysexits.h \
sys/statfs.h sys/statvfs.h sys/vfs.h sys/param.h \
])
AC_CHECK_HEADERS([sys/mount.h],,,[#include <sys/param.h>])
AC_CHECK_HEADERS([GL/glx.h],[host_feature_glx=yes],[host_feature_glx=no],)
AC_MSG_CHECKING([if __unused conflicts with sys/stat.h])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
#define __unused __attribute__((unused))
#include <sys/stat.h>
]])],
[host_stat_h__unused_used=no],
[host_stat_h__unused_used=yes])
AC_MSG_RESULT($host_stat_h__unused_used)
AC_HEADER_DIRENT
AC_HEADER_STAT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_HEADER_TIME
AC_STRUCT_ST_BLKSIZE
AC_STRUCT_ST_BLOCKS
AC_STRUCT_ST_RDEV
AC_STRUCT_TM
AC_STRUCT_TIMEZONE
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_UID_T
AC_CHECK_MEMBERS(struct tm.tm_gmtoff)
# Look for some functions
AC_CHECK_FUNCS([getpagesize kqueue statfs statvfs \
clone kse_create rfork_thread thr_create sa_register \
getcontext makecontext setcontext sigaltstack swapcontext])
AC_FUNC_MMAP
#-----------------------------------------------------------------------------
#
# GCC 4.1+ has a stack protection feature that requires OS support. Ubuntu has
# it switched on by default, and we use the host compiler, so it compiles AROS
# code with this enabled resulting in link failures as we don't have support
# for it.
#
# We use two methods to disable it. For the host compiler (used to compile
# some hosted modules), we test to see if the compiler supports stack
# protection, and if it does we disable it in AROS_CONFIG_CFLAGS. This should
# work on all platforms.
#
AC_MSG_CHECKING([whether ${CC_BASE} accepts -fno-stack-protector])
save_cflags="$CFLAGS"
CFLAGS="$CFLAGS -fno-stack-protector"
AC_TRY_COMPILE(,, use_no_stack_protector="yes", use_no_stack_protector="no")
AC_MSG_RESULT($use_no_stack_protector)
if test "x-$use_no_stack_protector" = "x-yes" ; then
aros_host_cflags="$aros_host_cflags -fno-stack-protector"
fi
CFLAGS="$save_cflags"
#-----------------------------------------------------------------------------
# Disable pointer-signedness warnings if the compiler recognises the option
# (this only works for the host compiler at the moment)
AC_MSG_CHECKING([whether ${CC_BASE} accepts -Wno-pointer-sign])
save_cflags="$CFLAGS"
CFLAGS="$CFLAGS -Wno-pointer-sign"
AC_TRY_COMPILE(,, use_no_sign_warning="yes", use_no_sign_warning="no")
AC_MSG_RESULT($use_no_sign_warning)
if test "x-$use_no_sign_warning" = "x-yes" ; then
aros_host_cflags="$aros_host_cflags -Wno-pointer-sign"
fi
CFLAGS="$save_cflags"
#-----------------------------------------------------------------------------
# Check if host compiler supports -fgnu89-inline, can be needed for crosstools.
AC_MSG_CHECKING([whether ${CC_BASE} accepts -fgnu89-inline])
save_cflags="$CFLAGS"
CFLAGS="$CFLAGS -fgnu89-inline"
AC_TRY_COMPILE(,, use_gnu89_inline="yes", use_gnu89_inline="no")
AC_MSG_RESULT($use_gnu89_inline)
if test "x-$use_gnu89_inline" = "x-yes" ; then
gnu89_inline="-fgnu89-inline"
fi
CFLAGS="$save_cflags"
#
# For GCC < 4.0 -I- is used for giving the search path for '#include "..."'
# On GCC >= 4.0 -iquote should be used
#
AC_MSG_CHECKING([whether ${CC_BASE} accepts -iquote])
CFLAGS="$CFLAGS -iquote."
AC_TRY_COMPILE(,, has_iquote="yes", has_iquote="no")
AC_MSG_RESULT($has_iquote)
if test "x-$has_iquote" = "x-yes" ; then
host_cflags_iquote=-iquote
host_cflags_iquote_end=
else
host_cflags_iquote=-I
host_cflags_iquote_end=-I-
fi
AC_MSG_NOTICE([Performing target configuration...])
dnl --------------------------------------------------------------------
dnl Target Configuration Section
dnl --------------------------------------------------------------------
dnl
dnl The target configuration section is responsible for setting up all
dnl the paths for includes, and tools required to build AROS to some
dnl particular target.
test_kernel_cc=no
aros_nowarn_flags="NOWARN_UNUSED_COMMAND_LINE_ARGUMENT NOWARN_UNKNOWN_WARNING_OPTION NOWARN_POINTER_SIGN NOWARN_PARENTHESES"
export_newline="
"
aros_elf_translate=
aros_warn_flags=
aros_isa_extra=
aros_isa_flags=
aros_kernel_isa_flags=
aros_config_cppflags=
aros_config_cflags=
aros_config_cxxflags=
aros_config_aflags="$""(WARN_ALL) -x assembler-with-cpp -c"
aros_config_ldflags=""
aros_shared_default=yes
aros_shared_cflags="-fPIC"
aros_shared_aflags=""
aros_shared_ldflags="-Wl,-rpath,./lib -shared"
aros_kernel_ldflags="-Wl,-rpath,./lib"
aros_kernel_ar_flags="cr"
aros_target_ar_flags="cr"
aros_target_nm_flags="-C -ul"
aros_target_strip_flags="--strip-unneeded -R.comment"
aros_c_libs=
aros_cxx_libs=
aros_target_genmap="-Wl,-Map -Xlinker"
# Native flavour stuff
aros_serial_debug="0"
# Palm native flavour stuff
aros_palm_debug_hack="0"
# Unix flavour stuff
aros_nesting_supervisor="0"
# Collect-aros stuff: "-ius" to ignore undefined symbols
ignore_undefined_symbols=""
# Check for X11 by default
need_x11="auto"
AC_MSG_CHECKING([Which toolchain family to use ...])
AC_ARG_WITH(toolchain,AC_HELP_STRING([--with-toolchain=family],[Which toolchain family to crosscompile with (defaults to gnu)]),aros_toolchain="$withval",aros_toolchain="$default_toolchain_family")
AC_MSG_RESULT($aros_toolchain)
AC_MSG_CHECKING([if we should enable link time optimizations (LTO)])
AC_ARG_ENABLE(lto,AC_HELP_STRING([--enable-lto=[yes|no]],[Enable link time optimizations if the target compiler supports them (default=no)]),
aros_config_lto="$enableval",aros_config_lto="no")
if test "$aros_config_lto" != "no"; then
aros_config_lto="yes"
fi
AC_MSG_RESULT($aros_config_lto)
AC_MSG_CHECKING([if we should enable coverage instrumentation])
AC_ARG_ENABLE(coverage,AC_HELP_STRING([--enable-coverage=[yes|no]],[Enable coverage instrumentation if the target compiler supports it (default=no)]),
aros_config_coverage="$enableval",aros_config_coverage="no")
if test "$aros_config_coverage" != "no"; then
aros_config_coverage="yes"
fi
AC_MSG_RESULT($aros_config_coverage)
use_ld_wrapper=yes
case "$aros_toolchain" in
*llvm*)
toolchain_c_compiler="clang"
toolchain_cxx_compiler="clang++"
toolchain_cpp_preprocessor="clang"
toolchain_cpp_opts=" -E"
toolchain_ld="ld.lld"
aros_ld="ld"
toolchain_as="llvm-as"
toolchain_ar="llvm-ar"
toolchain_ranlib="llvm-ranlib"
toolchain_nm="llvm-nm"
toolchain_strip="true"
toolchain_objcopy="llvm-objcopy"
toolchain_objdump="llvm-objdump"
use_libatomic=yes
toolchain_def_opt_lvl="-O2"
toolchain_debug_opt_lvl="-O0"
toolchain_size_opt_lvl="-Os"
;;
*gnu*)
toolchain_c_compiler="gcc"
toolchain_cxx_compiler="g++"
toolchain_cpp_preprocessor="gcc"
toolchain_cpp_opts=" -E"
toolchain_as="as"
aros_ld="ld"
if test "$aros_config_lto" != "yes"; then
toolchain_ld="ld"
toolchain_ar="ar"
toolchain_ranlib="ranlib"
toolchain_nm="nm"
else
toolchain_ld="ld.bfd"
toolchain_ar="gcc-ar"
toolchain_ranlib="gcc-ranlib"
toolchain_nm="gcc-nm"
fi
toolchain_strip="strip"
toolchain_objcopy="objcopy"
toolchain_objdump="objdump"
use_libatomic=yes
toolchain_def_opt_lvl="-O2"
toolchain_debug_opt_lvl="-O0"
toolchain_size_opt_lvl="-Os"
;;
*)
AC_MSG_WARN("Unknown toolchain family!")
toolchain_c_compiler="cc"
toolchain_cxx_compiler="c++"
toolchain_cpp_preprocessor="cpp"
toolchain_cpp_opts=
toolchain_ld="ld"
aros_ld="ld"
toolchain_as="as"
toolchain_ar="ar"
toolchain_ranlib="ranlib"
toolchain_nm="nm"
toolchain_strip="strip"
toolchain_objcopy="objcopy"
toolchain_objdump="objdump"
;;
esac
#-----------------------------------------------------------------------------
AC_MSG_CHECKING([which type of build to do])
AC_ARG_ENABLE(build_type,AC_HELP_STRING([--enable-build-type=TYPE],[Select the build type. Available types are: personal, nightly, snapshot, milestone, release. Do NOT use this option unless you know what you are doing! (default=personal)]),build_type=$enableval,build_type="personal")
if test "$build_type" = "nightly"; then
build_type_string="NIGHTLY"
elif test "$build_type" = "snapshot"; then
build_type_string="SNAPSHOT"
elif test "$build_type" = "milestone"; then
build_type_string="MILESTONE"
elif test "$build_type" = "release"; then
build_type_string="RELEASE"
else
build_type_string="PERSONAL"
build_type="personal"
fi
aros_config_cppflags="$aros_config_cppflags -DAROS_BUILD_TYPE=AROS_BUILD_TYPE_$build_type_string"
AC_MSG_RESULT($build_type)
#-----------------------------------------------------------------------------
all_debug_types="messages stack modules mungwall symbols"
AC_MSG_CHECKING([which debug types to enable])
AC_ARG_ENABLE(debug,AC_HELP_STRING([--enable-debug=list],[Enable different types of debug. Commas or whitespaces can be used to separate the items in the list. Available types of debug are: all, none, messages, stack, mungwall, modules, symbols. If no list is provided then "all" is assumed. (default=none)]),
debug="$enableval",debug="")
if test "$debug" = "" -o "$debug" = "no"; then
debug="none"
elif test "$debug" = "yes"; then
debug="all"
fi
if test "$debug" = "all" ; then
debug="messages stack modules symbols"
for d in $all_debug_types; do
export aros_${d}_debug="1"
done
else
for d in $all_debug_types; do
export aros_${d}_debug="0"
done
fi
if test "$debug" != "none"; then
debug=`echo $debug | sed s/,/\ /g`
for d in $debug; do
found="0"
for d2 in $all_debug_types; do
if test "$d2" = "$d"; then
found="1"
break
fi
done
if test "$found" = "0"; then
AC_MSG_ERROR([unrecognized debug type "$d". Available types are: all none $all_debug_types])
fi
export aros_${d}_debug="1"
done
aros_debug="yes"
fi
AC_MSG_RESULT($debug)
if test "$aros_messages_debug" = "1"; then
aros_messages_debug="-DADEBUG=1 -DMDEBUG=1"
else
aros_messages_debug=""
fi
if test "$aros_symbols_debug" = "1"; then
aros_symbols_debug="-g"
else
aros_symbols_debug=""
fi
# These are the flags to pass when compiling debugged programs
aros_debug_cppflags="$aros_messages_debug"
aros_debug_cflags="$aros_symbols_debug"
aros_debug_cxxflags=
aros_debug_aflags=""
aros_debug_ldflags="$aros_symbols_debug"
#-----------------------------------------------------------------------------
# Checking for distcc and ccache.
#
# Always apply the transforms in this particular order. Basically you should
# always run 'ccache distcc compiler' in that order for the best performance.
#
AC_MSG_CHECKING([whether to enable distcc])
AC_ARG_ENABLE(distcc,AC_HELP_STRING([--enable-distcc],[Use distcc as a front end to the compiler (default=no).]),distcc="$enableval",distcc="no")
if test "$distcc" != "" -a "$distcc" != "no"; then
# AC_CHECK_PROG will print out the result in this case
AC_PATH_PROG(DISTCC,[distcc],distcc,)
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([whether to enable ccache])
AC_ARG_ENABLE(ccache,AC_HELP_STRING([--enable-ccache],[Use ccache as a front end to the compiler (default=no).]),ccache="$enableval",ccache="no")
if test "$ccache" != "" -a "$ccache" != "no"; then
# AC_CHECK_PROG will print out the result in this case
AC_CHECK_PROG(CCACHE,[ccache],ccache,)
else
AC_MSG_RESULT(no)
fi
#-----------------------------------------------------------------------------
AC_MSG_CHECKING([what specific host gcc version to use])
AC_ARG_WITH(kernel-gcc-version,AC_HELP_STRING([--with-kernel-gcc-version=VERSION],[Use gcc-VERSION for building bootstrap]),kernel_tool_version="$withval",kernel_tool_version="")
if test "$kernel_tool_version" != "" ; then
msg_result=$kernel_tool_version
else
msg_result="default"
fi
AC_MSG_RESULT($msg_result)
#-----------------------------------------------------------------------------
AC_MSG_CHECKING([what optimization flags to use])
AC_ARG_WITH(optimization,AC_HELP_STRING([--with-optimization=FLAGS],[Use optimization flags FLAGS (e.g --with-optimization=-O2).]),optimization_level="$withval",optimization_level="unknown")
if test "$optimization_level" = "unknown"; then
dnl use the toolchain defaults for normal and debug builds
optimization="default"
if test "$debug" != "none"; then
optimization_level=$toolchain_debug_opt_lvl
else
optimization_level=$toolchain_def_opt_lvl
fi
else
optimization="$optimization_level"
fi
AC_MSG_RESULT($optimization)