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configure
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configure
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#!/bin/sh
#
# configure -- custom configure script for ScummVM.
#
# ScummVM is the legal property of its developers, whose names
# are too numerous to list here. Please refer to the COPYRIGHT
# file distributed with this source distribution.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Save the current environment variables for next runs
SAVED_CONFIGFLAGS=$@
SAVED_LDFLAGS=$LDFLAGS
SAVED_CXX=$CXX
SAVED_CXXFLAGS=$CXXFLAGS
SAVED_CPPFLAGS=$CPPFLAGS
SAVED_ASFLAGS=$ASFLAGS
SAVED_WINDRESFLAGS=$WINDRESFLAGS
# Use environment vars if set
CXXFLAGS="$CXXFLAGS $CPPFLAGS"
# Backslashes into forward slashes:
# The following OS/2 specific code is performed to deal with handling of backslashes by ksh.
# Borrowed from the Sane configure script
if test "$ac_emxsupport" != "no" -a "$ac_emxsupport" != "NO"; then
ac_save_IFS="$IFS"
IFS="\\"
ac_TEMP_PATH=
for ac_dir in $PATH; do
IFS=$ac_save_IFS
if test -z "$ac_TEMP_PATH"; then
ac_TEMP_PATH="$ac_dir"
else
ac_TEMP_PATH="$ac_TEMP_PATH/$ac_dir"
fi
done
PATH="$ac_TEMP_PATH"
export PATH
unset ac_TEMP_PATH
fi
set_var() {
eval ${1}='${2}'
}
get_var() {
eval echo \$${1}
}
#
# Default settings
#
#ResidualVM defaults: mpeg2=auto, faad=no, opengles=no
#mt32emu=no, translation=no
#
# Default lib behaviour yes/no/auto
_vorbis=auto
_tremor=auto
_tremolo=no
_flac=auto
_mad=auto
_alsa=auto
_seq_midi=auto
_timidity=auto
_zlib=auto
_sparkle=auto
_png=no
_mpeg2=auto
_theoradec=auto
_faad=no
_fluidsynth=auto
_opengl=auto
_opengles=no
_readline=auto
_freetype2=auto
_taskbar=yes
_updates=no
_libunity=auto
# Default option behaviour yes/no
_debug_build=auto
_release_build=auto
_optimizations=auto
_verbose_build=no
_text_console=no
_mt32emu=no
_build_scalers=yes
_build_hq_scalers=yes
_enable_prof=no
_global_constructors=no
_bink=yes
# Default vkeybd/keymapper options
_vkeybd=no
_keymapper=no
# GUI translation options
_translation=no
# Default platform settings
_backend=sdl
_16bit=auto
_savegame_timestamp=auto
_dynamic_modules=no
_elf_loader=no
_plugins_default=static
_plugin_prefix=
_plugin_suffix=
_nasm=auto
_optimization_level=
_default_optimization_level=-O2
# Default commands
_ranlib=ranlib
_strip=strip
_ar="ar cru"
_as="as"
_windres=windres
_win32path="C:/residualvm-tools"
_aos4path="Games:ResidualVM-tools"
_stagingpath="staging"
_staticlibpath=/sw
_sdlconfig=sdl-config
_freetypeconfig=freetype-config
_sdlpath="$PATH"
_freetypepath="$PATH"
_nasmpath="$PATH"
NASMFLAGS=""
NASM=""
_tainted_build=no
# The following variables are automatically detected, and should not
# be modified otherwise. Consider them read-only.
_posix=no
_endian=unknown
_need_memalign=yes
_have_x86=no
# Directories for installing ScummVM.
# This list is closely based on what GNU autoconf does,
# although the default value for datadir differs.
# Like GNU autoconf, we distinguish datadir and datarootdir
# to make it possible to change e.g. the location of the
# man pages independently of that of the engine data files,
# which are placed inside $datadir/residualvm
prefix=NONE
exec_prefix=NONE
bindir='${exec_prefix}/bin'
libdir='${exec_prefix}/lib'
datarootdir='${prefix}/share'
datadir='${datarootdir}/residualvm'
mandir='${datarootdir}/man'
docdir='${datarootdir}/doc/residualvm'
#localedir='${datarootdir}/locale'
# For cross compiling
_host=""
_host_cpu=""
_host_vendor=""
_host_os=""
_host_alias=""
_srcdir=`dirname $0`
_port_mk="ports.mk"
# Use temp files in the build directory
TMPO=./residualvm-conf
TMPC=${TMPO}.cpp
TMPLOG=config.log
cc_check_no_clean() {
echo >> "$TMPLOG"
cat "$TMPC" >> "$TMPLOG"
echo >> "$TMPLOG"
echo "$CXX $LDFLAGS $CXXFLAGS $TMPC -o $TMPO$HOSTEXEEXT $@" >> "$TMPLOG"
rm -f "$TMPO$HOSTEXEEXT"
( $CXX $LDFLAGS $CXXFLAGS "$TMPC" -o "$TMPO$HOSTEXEEXT" "$@" ) >> "$TMPLOG" 2>&1
TMPR="$?"
echo "return code: $TMPR" >> "$TMPLOG"
echo >> "$TMPLOG"
return "$TMPR"
}
cc_check_clean() {
rm -rf $TMPC $TMPO $TMPO.o $TMPO.dSYM $TMPO$HOSTEXEEXT "$@"
}
cc_check() {
cc_check_no_clean "$@"
TMPR="$?"
cc_check_clean
return "$TMPR"
}
cc_check_define() {
cat > $TMPC << EOF
int main(void) {
#ifndef $1
syntax error
#endif
return 0;
}
EOF
cc_check -c
return $?
}
gcc_get_define() {
echo "" | $CXX -dM -E - | fgrep "$1" | head -n1 | cut -d ' ' -f 3-
}
#
# Function to provide echo -n for bourne shells that don't have it
#
echo_n() {
printf "$@"
}
echocheck() {
echo_n "Checking for $@... "
}
# Add a line of data to config.mk.
add_line_to_config_mk() {
_config_mk_data="$_config_mk_data"'
'"$1"
}
# Add a line of data to config.h.
add_line_to_config_h() {
_config_h_data="$_config_h_data"'
'"$1"
}
# Conditionally add a line of data to config.h. Takes two parameters:
# The first one can be set to 'no' to "comment out" the line, i.e.
# make it ineffective, use 'yes' otherwise.
# The second param is the line to insert.
add_to_config_h_if_yes() {
if test "$1" = yes ; then
add_line_to_config_h "$2"
else
add_line_to_config_h "/* $2 */"
fi
}
# Conditionally add a line of data to config.mk. Takes two parameters:
# The first one can be set to 'no' to "comment out" the line, i.e.
# make it ineffective, use 'yes' otherwise.
# The second param is the line to insert.
add_to_config_mk_if_yes() {
if test "$1" = yes ; then
add_line_to_config_mk "$2"
else
add_line_to_config_mk "# $2"
fi
}
# Conditionally add a '#define' line to config.h. Takes two parameters:
# The first one can be set to 'yes' or 'no'. If 'yes' is used, then
# the line "#define $2" is added to config.h, otherwise "#undef $2".
define_in_config_h_if_yes() {
if test "$1" = yes ; then
add_line_to_config_h "#define $2"
else
add_line_to_config_h "#undef $2"
fi
}
# Conditionally add definitions to config.h and config.mk. Takes two parameters:
# The first one can be set to 'yes' or 'no'. If 'yes' is used, then
# the line "#define $2" is added to config.h and "$2 = 1" to config.mk.
# Otherwise "#undef $2" is added to config.h and "# $2 = 1" to config.mk
define_in_config_if_yes() {
if test "$1" = yes ; then
add_line_to_config_h "#define $2"
add_line_to_config_mk "$2 = 1"
else
add_line_to_config_h "#undef $2"
add_line_to_config_mk "# $2 = 1"
fi
}
#
# Determine extension used for executables
#
get_system_exe_extension() {
case $1 in
arm-riscos)
_exeext=",ff8"
;;
dreamcast | ds | gamecube | n64 | ps2 | psp | wii)
_exeext=".elf"
;;
gph-linux)
_exeext=".gph"
;;
mingw* | *os2-emx | wince)
_exeext=".exe"
;;
*)
_exeext=""
;;
esac
}
#
# Generic options functions
#
# Show the configure help line for an option
option_help() {
if test "${3}" != "" ; then
tmpopt_prefix="${3}"
else
tmpopt_prefix="--"
fi
tmpopt=`echo $1 | sed 's/_/-/g'`
option=`echo "${tmpopt_prefix}${tmpopt} " | sed "s/\(.\{23\}\).*/\1/"`
echo " ${option} ${2}"
}
# Show an error about an unknown option
option_error() {
echo "error: unrecognized option: $ac_option
Try \`$0 --help' for more information." >&2
exit 1
}
#
# Greet user
#
echo "Running Tools configure..."
echo "Configure run on" `date` > $TMPLOG
#
# Check any parameters we received
#
# TODO:
# * Change --disable-mad / --enable-mad to the way it's done in autoconf:
# That is, --without-mad / --with-mad=/prefix/to/mad. Useful for people
# who have Mad/Vorbis/ALSA installed in a non-standard locations.
#
for parm in "$@" ; do
if test "$parm" = "--help" || test "$parm" = "-help" || test "$parm" = "-h" ; then
for engine in $_engines; do
if test `get_engine_sub $engine` = no ; then
engines_help="$engines_help`show_engine_help $engine`
"
fi
done
cat << EOF
Usage: $0 [OPTIONS]...
Configuration:
-h, --help display this help and exit
--backend=BACKEND backend to build (sdl, null) [sdl]
Installation directories:
--prefix=PREFIX install architecture-independent files in PREFIX
[/usr/local]
--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
[PREFIX]
By default, \`make install' will install all the files in
\`/usr/local/bin', \`/usr/local/lib' etc. You can specify
an installation prefix other than \`/usr/local' using \`--prefix',
for instance \`--prefix=\$HOME'.
For better control, use the options below.
Fine tuning of the installation directories:
--bindir=DIR user executables [EPREFIX/bin]
--libdir=DIR object code libraries [EPREFIX/lib]
--datarootdir=DIR read-only arch.-independent data root [PREFIX/share]
--datadir=DIR read-only architecture-independent data
[DATAROOTDIR/residualvm]
--mandir=DIR man documentation [DATAROOTDIR/man]
--docdir=DIR documentation root [DATAROOTDIR/doc/residualvm]
Special configuration feature:
--host=HOST cross-compile to target HOST (arm-linux, ...)
Optional Features:
--disable-debug disable building with debugging symbols
--enable-Werror treat warnings as errors
--enable-release enable building in release mode (this activates
optimizations)
--enable-release-mode enable building in release mode (without optimizations)
--enable-optimizations enable optimizations
--enable-profiling enable profiling
--enable-verbose-build enable regular echoing of commands during build
process
Optional Libraries:
--with-ogg-prefix=DIR Prefix where libogg is installed (optional)
--with-vorbis-prefix=DIR Prefix where libvorbis is installed (optional)
--disable-vorbis disable Ogg Vorbis support [autodetect]
--with-tremor-prefix=DIR Prefix where tremor is installed (optional)
--disable-tremor disable tremor support [autodetect]
--with-mad-prefix=DIR Prefix where libmad is installed (optional)
--disable-mad disable libmad (MP3) support [autodetect]
--with-flac-prefix=DIR Prefix where libFLAC is installed (optional)
--disable-flac disable FLAC support [autodetect]
--with-zlib-prefix=DIR Prefix where zlib is installed (optional)
--disable-zlib disable zlib (compression) support [autodetect]
Some influential environment variables:
LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a
nonstandard directory <lib dir>
CXX C++ compiler command
CXXFLAGS C++ compiler flags
CPPFLAGS C++ preprocessor flags, e.g. -I<include dir> if you have
headers in a nonstandard directory <include dir>
ASFLAGS assembler flags
WINDRESFLAGS Windows resource compiler flags
EOF
exit 0
fi
done # for parm in ...
for ac_option in $@; do
case "$ac_option" in
--enable-vorbis) _vorbis=yes ;;
--disable-vorbis) _vorbis=no ;;
--enable-tremor) _tremor=yes ;;
--disable-tremor) _tremor=no ;;
--enable-flac) _flac=yes ;;
--disable-flac) _flac=no ;;
--enable-mad) _mad=yes ;;
--disable-mad) _mad=no ;;
--enable-verbose-build) _verbose_build=yes ;;
--with-ogg-prefix=*)
arg=`echo $ac_option | cut -d '=' -f 2`
OGG_CFLAGS="-I$arg/include"
OGG_LIBS="-L$arg/lib"
;;
--with-vorbis-prefix=*)
arg=`echo $ac_option | cut -d '=' -f 2`
VORBIS_CFLAGS="-I$arg/include"
VORBIS_LIBS="-L$arg/lib"
;;
--with-tremor-prefix=*)
arg=`echo $ac_option | cut -d '=' -f 2`
TREMOR_CFLAGS="-I$arg/include"
TREMOR_LIBS="-L$arg/lib"
;;
--with-flac-prefix=*)
arg=`echo $ac_option | cut -d '=' -f 2`
FLAC_CFLAGS="-I$arg/include"
FLAC_LIBS="-L$arg/lib"
;;
--with-mad-prefix=*)
arg=`echo $ac_option | cut -d '=' -f 2`
MAD_CFLAGS="-I$arg/include"
MAD_LIBS="-L$arg/lib"
;;
--with-zlib-prefix=*)
arg=`echo $ac_option | cut -d '=' -f 2`
ZLIB_CFLAGS="-I$arg/include"
ZLIB_LIBS="-L$arg/lib"
;;
--enable-debug)
_debug_build=yes
;;
--disable-debug)
_debug_build=no
;;
--enable-Werror)
CXXFLAGS="$CXXFLAGS -Werror"
;;
--enable-release-mode)
_release_build=yes
;;
--disable-release-mode)
_release_build=no
;;
--enable-release)
_release_build=yes
_optimizations=yes
;;
--disable-release)
_release_build=no
_optimizations=no
;;
--enable-optimizations)
_optimizations=yes
;;
--disable-optimizations)
_optimizations=no
;;
--enable-profiling)
_enable_prof=yes
;;
--with-staticlib-prefix=*)
_staticlibpath=`echo $ac_option | cut -d '=' -f 2`
;;
--host=*)
_host=`echo $ac_option | cut -d '=' -f 2`
;;
--prefix=*)
prefix=`echo $ac_option | cut -d '=' -f 2`
;;
--exec-prefix=*)
exec_prefix=`echo $ac_option | cut -d '=' -f 2`
;;
--bindir=*)
bindir=`echo $ac_option | cut -d '=' -f 2`
;;
--libdir=*)
libdir=`echo $ac_option | cut -d '=' -f 2`
;;
--datarootdir=*)
datarootdir=`echo $ac_option | cut -d '=' -f 2`
;;
--datadir=*)
datadir=`echo $ac_option | cut -d '=' -f 2`
;;
--mandir=*)
mandir=`echo $ac_option | cut -d '=' -f 2`
;;
--docdir=*)
docdir=`echo $ac_option | cut -d '=' -f 2`
;;
*)
option_error
;;
esac;
done;
guessed_host=`$_srcdir/config.guess`
get_system_exe_extension $guessed_host
NATIVEEXEEXT=$_exeext
case $_host in
android | android-v7a)
_host_os=android
_host_cpu=arm
_host_alias=arm-linux-androideabi
;;
arm-riscos)
_host_os=riscos
_host_cpu=arm
;;
bada)
_host_os=bada
if test "$_debug_build" = yes; then
_host_cpu=i686
_host_alias=i686-mingw32
else
_host_cpu=arm
_host_alias=arm-samsung-nucleuseabi
fi
;;
caanoo)
_host_os=gph-linux
_host_cpu=arm
_host_alias=arm-none-linux-gnueabi
;;
dingux)
_host_os=linux
_host_cpu=mipsel
_host_alias=mipsel-linux
;;
dreamcast)
_host_os=dreamcast
_host_cpu=sh
_host_alias=sh-elf
CXXFLAGS="$CXXFLAGS -ml -m4-single-only"
LDFLAGS="$LDFLAGS -ml -m4-single-only"
;;
ds)
_host_os=ds
_host_cpu=arm
_host_alias=arm-eabi
;;
gamecube)
_host_os=gamecube
_host_cpu=ppc
_host_alias=powerpc-gekko
;;
gp2x)
_host_os=gph-linux
_host_cpu=arm
_host_alias=arm-open2x-linux
;;
gp2xwiz)
_host_os=gph-linux
_host_cpu=arm
_host_alias=arm-open2x-linux
;;
i586-mingw32msvc)
_host_os=mingw32msvc
_host_cpu=i586
;;
iphone)
_host_os=iphone
_host_cpu=arm
_host_alias=arm-apple-darwin9
;;
linupy)
_host_os=linux
_host_cpu=arm
;;
maemo)
_host_os=maemo
_host_cpu=arm
_host_alias=arm-linux
# The prefix is always the same on Maemo so we hardcode the default
# here. It is still possible to define a custom prefix which is
# needed when packaging the app with a user-specific app ID.
test "x$prefix" = xNONE && prefix=/opt/scummvm
# Maemo apps are installed into app-specific directories. The
# default directory structure of ScummVM makes no sense here so we
# hardcode Maemo specific directories here.
datarootdir='${prefix}/share'
datadir=/opt/scummvm/share
docdir='${datarootdir}/doc/scummvm'
;;
motoezx)
_host_os=linux
_host_cpu=arm
_host_alias=arm-linux-gnu
;;
motomagx)
_host_os=linux
_host_cpu=arm
_host_alias=arm-linux-gnueabi
;;
n64)
_host_os=n64
_host_cpu=mips
_host_alias=mips64
;;
neuros)
_host_os=linux
_host_cpu=arm
;;
openpandora)
_host_os=linux
_host_cpu=arm
_host_alias=arm-angstrom-linux-gnueabi
;;
ppc-amigaos)
_host_os=amigaos
_host_cpu=ppc
;;
ps2)
_host_os=ps2
_host_cpu=mips64r5900el
_host_alias=ee
;;
ps3)
_host_os=ps3
_host_cpu=ppc
_host_alias=powerpc64-ps3-elf
# The prefix is always the same on PS3 so we hardcode the default
# here. It is still possible to define a custom prefix which is
# needed when packaging the app with a user-specific app ID.
test "x$prefix" = xNONE && prefix=/dev_hdd0/game/SCUM12000/USRDIR
# PS3 apps are installed into app-specific directories. The
# default directory structure of ScummVM makes no sense here so we
# hardcode PS3 specific directories here.
datarootdir='${prefix}/data'
datadir='${datarootdir}'
docdir='${prefix}/doc'
;;
psp)
_host_os=psp
_host_cpu=mipsallegrexel
_host_alias=psp
;;
samsungtv)
_host_os=linux
_host_cpu=arm
_host_alias=arm-linux-gnueabi
;;
webos)
_host_os=webos
_host_cpu=arm
_host_alias=arm-none-linux-gnueabi
# The prefix is always the same on WebOS so we hardcode the default
# here. It is still possible to define a custom prefix which is
# needed when packaging the app with a user-specific app ID.
test "x$prefix" = xNONE && prefix=/media/cryptofs/apps/usr/palm/applications/org.residualvm.residualvm
# WebOS apps are installed into app-specific directories. The
# default directory structure of ScummVM makes no sense here so we
# hardcode WebOS specific directories here.
datarootdir='${prefix}/data'
datadir='${datarootdir}'
docdir='${prefix}/doc'
;;
wii)
_host_os=wii
_host_cpu=ppc
_host_alias=powerpc-gekko
;;
wince)
_host_os=wince
_host_cpu=arm
_host_alias=arm-mingw32ce
;;
*)
if test -n "$_host"; then
guessed_host=`$_srcdir/config.sub $_host`
fi
_host_cpu=`echo $guessed_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
_host_vendor=`echo $guessed_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
_host_os=`echo $guessed_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
;;
esac
if test -z "$_host_alias"; then
_host_alias="$_host_cpu-$_host_os"
else
# if _host_alias was set, default to the standard GNU tools
_ranlib=$_host_alias-ranlib
_strip=$_host_alias-strip
_ar="$_host_alias-ar cru"
_as="$_host_alias-as"
_windres=$_host_alias-windres
fi
#
# Determine extra build flags for debug and/or release builds
#
case $_host in
caanoo | gp2x | gp2xwiz | openpandora | ps2)
if test "$_debug_build" = auto; then
# If you want to debug one of these platforms, use '--disable-release --enable-debug'
_debug_build=no
fi
if test "$_release_build" = auto; then
# Enable release build by default.
_release_build=yes
fi
if test "$_optimizations" = auto; then
# Enable optimizations by default.
_optimizations=yes
fi
;;
esac
if test "$_debug_build" != no; then
# debug mode not explicitly disabled -> compile with -g
CXXFLAGS="$CXXFLAGS -g"
fi
if test "$_release_build" = yes; then
# Add a define, which indicates we are doing
# an build for a release version.
DEFINES="$DEFINES -DRELEASE_BUILD"
fi
#
# Determine extension used for executables
#
get_system_exe_extension $_host_os
HOSTEXEPRE=
HOSTEXEEXT=$_exeext
#
# Determine separator used for $PATH
#
case $_host_os in
os2-emx*)
SEPARATOR=";"
;;
*)
SEPARATOR=":"
;;
esac
#
# Platform specific sanity checks
#
case $_host_os in
android)
if test -z "$ANDROID_SDK"; then
echo "Please set ANDROID_SDK in your environment. export ANDROID_SDK=<path to Android SDK>"
exit 1
fi
if test -z "$ANDROID_NDK"; then
echo "Please set ANDROID_NDK in your environment. export ANDROID_NDK=<path to Android NDK>"
exit 1
fi
;;
bada)
if test -z "$BADA_SDK"; then
echo "Please set BADA_SDK in your environment. export BADA_SDK=<path to Bada SDK>"
exit 1
fi
;;
ds | gamecube | wii)
if test -z "$DEVKITPRO"; then
echo "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to devkitPRO>"
exit 1
fi
;;
n64)
if test -z "$N64SDK"; then
echo "Please set N64SDK in your environment. export N64SDK=<path to n64 sdk>"
exit 1
fi
;;
ps2)
if test -z "$PS2SDK"; then
echo "Please set PS2SDK in your environment. export PS2SDK=<path to ps2 sdk>"
exit 1
fi
;;
ps3)
if test -z "$PS3DEV"; then
echo "Please set PS3DEV in your environment. export PS3DEV=<path to ps3 toolchain>"
exit 1
fi
;;
psp)
if test -z "$PSPDEV"; then
PSPDEV=`psp-config --pspdev-path`
fi
# TODO: Should we also insist on a valid PSPDEV value?
if test -z "$PSPSDK"; then
PSPSDK=`psp-config --pspsdk-path`
fi
if test -z "$PSPSDK"; then
echo "Please set PSPSDK in your environment. export PSPSDK=<path to psp sdk>"
exit 1
fi
;;
webos)
if test -z "$WEBOS_SDK"; then
echo "Please set WEBOS_SDK in your environment. export WEBOS_SDK=<path to WebOS SDK>"
exit 1
fi
if test -z "$WEBOS_PDK"; then
echo "Please set WEBOS_PDK in your environment. export WEBOS_PDK=<path to WebOS PDK>"
exit 1
fi
;;
*)
;;
esac
#
# Determine the C++ compiler
#
echo_n "Looking for C++ compiler... "
# Check whether the given command is a working C++ compiler
test_compiler() {
cat > tmp_cxx_compiler.cpp << EOF
class Foo { int a; };
int main(int argc, char **argv) {
Foo *a = new Foo(); delete a; return 0;
}
EOF
echo "testing compiler: $1" >> "$TMPLOG"
if test -n "$_host"; then
# In cross-compiling mode, we cannot run the result
eval "$1 $CXXFLAGS $LDFLAGS -o $TMPO.o -c tmp_cxx_compiler.cpp" 2> /dev/null && cc_check_clean tmp_cxx_compiler.cpp
else
eval "$1 $CXXFLAGS $LDFLAGS -o $TMPO$HOSTEXEEXT tmp_cxx_compiler.cpp" 2> /dev/null && eval "$TMPO$HOSTEXEEXT 2> /dev/null" && cc_check_clean tmp_cxx_compiler.cpp
fi
}
# Prepare a list of candidates for the C++ compiler
if test -n "$CXX" && test_compiler "$CXX"; then
# Use the compiler specified in CXX
echo $CXX
else
if test -n "$_host"; then
compilers="$_host_alias-g++ $_host_alias-c++ $_host-g++ $_host-c++"
else
compilers="g++ c++"
fi
# Iterate over all candidates, pick the first working one
CXX=
for compiler in $compilers; do
if test_compiler $compiler; then
echo "success testing compiler: $compiler" >> "$TMPLOG"
CXX=$compiler
echo $CXX
break
else
echo "failure testing compiler: $compiler" >> "$TMPLOG"
fi
done
fi
if test -z "$CXX"; then
echo "none found!"
exit 1
fi
# By default, use the C++ compiler as linker
LD=$CXX
#
# Determine the compiler version
#
echocheck "compiler version"
# We first check whether we have an Intel compiler here, since the Intel compiler
# can also fake itself as an gcc (to ease compatibility with common Linux etc.
# programs).
have_icc=no
cc_check_define __INTEL_COMPILER && have_icc=yes
if test "$have_icc" = yes; then
add_line_to_config_mk 'HAVE_ICC = 1'
# Make ICC error our on unknown command line options instead of printing
# a warning. This is for example required to make the -Wglobal-destructors
# detection work correctly.
CXXFLAGS="$CXXFLAGS -diag-error 10006,10148"
fi
have_gcc=no
cc_check_define __GNUC__ && have_gcc=yes
if test "$have_gcc" = yes; then
add_line_to_config_mk 'HAVE_GCC = 1'
_cxx_major=`gcc_get_define __GNUC__`
_cxx_minor=`gcc_get_define __GNUC_MINOR__`
cxx_version="`( $CXX -dumpversion ) 2>&1`"
if test -n "`gcc_get_define __clang__`"; then
add_line_to_config_mk 'HAVE_CLANG = 1'
fi
if test "$_cxx_major" -eq 2 && test "$_cxx_minor" -ge 95 || \
test "$_cxx_major" -gt 2 ; then
cxx_version="$cxx_version, ok"
cxx_verc_fail=no
else
cxx_version="$cxx_version, bad"
cxx_verc_fail=yes
fi
elif test "$have_icc" = yes; then
cxx_version="`( $CXX -dumpversion ) 2>/dev/null`"
_cxx_major="`echo "${cxx_version}" | sed -ne 's/\([0-9][0-9]*\)\..*/\1/gp'`"
_cxx_minor="`echo "${cxx_version}" | sed -ne 's/[0-9][0-9]*\.\([0-9][0-9]*\)/\1/gp'`"
cxx_version="ICC $cxx_version, ok"
else
# TODO: Big scary warning about unsupported compilers
cxx_version=`( $CXX -version ) 2>&1`
if test "$?" -eq 0; then
cxx_version="`echo "${cxx_version}" | sed -ne 's/^.*[^0-9]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\).*$/\1/gp'`"
if test -z "${cxx_version}"; then
cxx_version="not found"
cxx_verc_fail=yes
fi
echo non-gcc compiler version ${cxx_version}
else
cxx_version="not found"
cxx_verc_fail=yes
echo found non-gcc compiler version ${cxx_version}
fi
case $_host_os in
irix*)
case $cxx_version in
7.4.4*)
# We just assume this is SGI MIPSpro
_cxx_major=7
_cxx_minor=4
cxx_verc_fail=no
add_line_to_config_mk 'CXX_UPDATE_DEP_FLAG = -MDupdate "$(*D)/$(DEPDIR)/$(*F).d"'
add_line_to_config_mk '-include Makedepend'
;;
*)