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#!/bin/sh
#
# Configure script for GHDL (C) 2014-2018 Tristan Gingold
#
# 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, see <gnu.org/licenses>.
# Current version. This is the only place where the version is written.
# Any code that needs version should read it directly or indirectly from this
# place.
# Note the absence of spaces and the quotes.
# Suffix "-dev" is used during development.
ghdl_version="5.0.1"
backend=mcode
backend_version="none"
CC=${CC:-gcc}
CXX=${CXX:-clang++}
AR=${AR:-ar}
CFLAGS=${CFLAGS:--g}
CXXFLAGS=${CXXFLAGS:--g}
GNATMAKE=${GNATMAKE:-gnatmake}
ADA_FLAGS=${ADA_FLAGS:-}
MAKE=${MAKE:-make}
LDFLAGS=${LDFLAGS:-}
LLVM_LDFLAGS=${LLVM_LDFLAGS:-'`$(LLVM_CONFIG) --ldflags --libs --system-libs`'}
prefix=/usr/local
libdirsuffix=lib
libghdldirsuffix=lib/ghdl
libnativedirsuffix=lib
incdirsuffix=include
gcc_src_dir=
llvm_config=llvm-config
backtrace_lib=
llvm_be=llvm6
build=
build_mode=
enable_werror=false
enable_checks=true
enable_gplcompat=unknown
enable_libghdl=true
enable_synth=true
with_readline=None
with_sundials=false
sundials_incflags=
sundials_ldflags=
default_pic=false
EXEEXT=
SOEXT=.so
PIC_FLAGS=-fPIC
show_help=no
progname=$0
subst_vars="CC CXX AR GNATMAKE ADA_FLAGS MAKE CFLAGS CXXFLAGS LDFLAGS build
srcdir abs_srcdir prefix backend backend_version libdirsuffix libghdldirsuffix
incdirsuffix gcc_src_dir llvm_config llvm_be backtrace_lib
build_mode EXEEXT SOEXT PIC_FLAGS default_pic enable_werror enable_checks
enable_gplcompat enable_libghdl libghdl_version ghdl_version
with_sundials sundials_incflags sundials_ldflags
COMPILER_GCC COMPILER_DEBUG COMPILER_MCODE COMPILER_LLVM POST_PROCESSOR
INSTALL_PREFIX LIBDIR_SUFFIX LIBGHDLDIR_SUFFIX INCDIR_SUFFIX LIBNATIVEDIR_SUFFIX
GCC_DEFAULT_OPTIONS
LLVM_LDFLAGS
"
# Find srcdir
srcdir=`dirname $progname`
if test x$srcdir = x; then
srcdir=.
fi
# Check echo -n / echo \c
if test x`echo -n` = x"-n" ; then
echon=
echoc="\c"
else
echon="-n"
echoc=
fi
# Check $1 is a prefix of $2
check_version()
{
exp_ver=`echo $1 | sed 's/\./v/g'`
tool_ver=`echo $2 | sed 's/\./v/g'`
if echo $tool_ver | grep -q "^$exp_ver"; then
return 0
else
return 1
fi
}
# Decode options
for opt do
optarg=`expr x"$opt" : 'x[^=]*=\(.*\)'`
case "$opt" in
CC=*|CFLAGS=*|GNATMAKE=*|LDFLAGS=*|CXX=*|LLVM_LDFLAGS=*)
optvar=`expr x"$opt" : 'x\([^=]*\)=.*'`
eval $optvar=\"$optarg\"
;;
--prefix=*) prefix="$optarg";;
--srcdir=*) srcdir="$optarg";;
--libdir=*) libdirsuffix="$optarg";;
--libghdldir=*) libghdldirsuffix="$optarg";;
--libnativedir=*) libnativedirsuffix="$optarg";;
--incdir=*) incdirsuffix="$optarg";;
--with-gcc=*) gcc_src_dir="$optarg"; backend=gcc;;
--with-llvm=*)
echo "--with-llvm is deprecated, use --with-llvm-config"
llvm_config="$optarg/bin/llvm-config"; backend=llvm;;
--with-llvm-config) llvm_config="llvm-config"; backend=llvm;;
--with-llvm-config=*) llvm_config="$optarg"; backend=llvm;;
--with-llvm-jit) backend=llvm_jit;;
--with-backtrace-lib=*) backtrace_lib="$optarg";;
--with-readline) with_readline="Gnu";;
--with-sundials=*) with_sundials=true;
sundials_incflags="-I$optarg/include";
sundials_ldflags="-L$optarg/lib -lsundials_ida";;
--with-sundials) with_sundials=true;;
--enable-werror) enable_werror=true;;
--disable-werror) enable_werror=false;;
--enable-checks) enable_checks=true;;
--disable-checks) enable_checks=false;;
--enable-gplcompat) enable_gplcompat=true;;
--disable-gplcompat) enable_gplcompat=false;;
--enable-libghdl) enable_libghdl=true;;
--disable-libghdl) enable_libghdl=false;;
--enable-synth) enable_synth=true;;
--disable-synth) enable_synth=false;;
--default-pic) default_pic=true;;
--enable-coverage) build_mode="coverage";;
-h|-help|--help) show_help=yes;;
*)
echo "$0: unknown option $opt; try $0 --help"
exit 1
;;
esac
done
# Help
if test $show_help != no; then
cat <<EOF
Usage: configure [options]
Options [defaults in brackets]:
--prefix=PREFIX install in PREFIX [$prefix]
--srcdir=SRCDIR source code path [$srcdir]
--libdir=LIBDIR lib dir path relative to PREFIX [$libdirsuffix]
--libghdldir=LIBGHDLDIR ghdl lib dir path relative to PREFIX [$libdirsuffix]
--libnativedir=DIR libghdl dir relative to PREFIX [$libnativedir]
--incdir=INCDIR C include dir path relative to PREFIX [$incdirsuffix]
--with-gcc=DIR use gcc backend from DIR
--with-llvm-config[=LLVM-CONFIG] use llvm backend [llvm-config]
--with-llvm-jit use llvm-jit backend
--with-backtrace-lib=LIB.a link with libbacktrace LIB.a to display a
backtrace on errors (only for llvm).
--disable-werror warnings don't stop build
--disable-checks disable internal checks
--disable-libghdl do not build libghdl shared library
--enable-gplcompat use GPL-compatible sources for ieee library
--enable-libghdl also build the libghdl shared library
--disable-synth do not build with synthesis feature
Binaries are installed in PREFIX/bin
VPI shared libraries are installed in PREFIX/LIBDIRSUFFIX
Native shared libraries (libghdl) are installed in PREFIX/LIBNATIVEDIR
C header files are installed in PREFIX/INCDIR
GHDL libraries are installed in PREFIX/LIBGHDLDIR
EOF
exit 0
fi
# Set abs_srcdir (absolute srcdir)
case $srcdir in
/*) abs_srcdir=$srcdir;;
*)
# Use a Windows path on windows.
case "$OS" in
Windows_NT) curdir=`pwd -W 2>/dev/null || pwd` ;;
*) curdir=`pwd` ;;
esac
abs_srcdir=$curdir/$srcdir
;;
esac
# Sanity checks
# Check srcdir
pat="2019802090ed76fc5c54cec58f22a2c1"
if ! grep $pat $srcdir/configure > /dev/null 2>&1; then
echo "Incorrect srcdir; try with --srcdir=xx"
echo "srcdir=$srcdir"
exit 1
fi
if ! `cmp /dev/null /dev/null > /dev/null 2>&1`; then
echo "Sorry, you need 'cmp' to configure GHDL.";
exit 1
fi
if ! cmp $srcdir/configure $abs_srcdir/configure > /dev/null 2>&1; then
echo "Cannot compute absolute source dir (or incorrect srcdir)"
echo "srcdir=$srcdir"
echo "abs_srcdir=$abs_srcdir"
exit 1
fi
# Check that gnatmake exists
if ! $GNATMAKE --version >/dev/null 2>&1; then
echo "Sorry, you need GNAT to build GHDL. See the README"
echo "(gnatmake executable is: $GNATMAKE)"
exit 1
fi
# Check that compiler exists
if ! $CC --version 2> /dev/null; then
echo "Sorry, you need a C compiler to build GHDL. See the README"
exit 1
fi
# Check the version of libghdl is correct.
if [ "$enable_libghdl" = true ]; then
libghdl_version="$srcdir/pyGHDL/__init__.py"
# Extract content between double quotes in __init__.py, to avoid false positives due to LF/CRLF mismatch.
if [ "$ghdl_version" != `sed -n 's/^__version__.*"\(.*\)".*/\1/gp' $libghdl_version` ]; then
echo "Sorry, the version of $libghdl_version is not correct"
echo "update the version to: $ghdl_version"
echo "or use --disable-libghdl"
exit 1
fi
fi
# Default for enable_gplcompat
if [ "$enable_gplcompat" = "unknown" ]; then
if test -d $srcdir/libraries/vital95 && test -d $srcdir/libraries/vital2000; then
enable_gplcompat=false
echo "Use full IEEE library"
else
enable_gplcompat=true
echo "Use GPL-compatible source files for IEEE library (but partial)"
fi
elif [ "$enable_gplcompat" = false ]; then
if ! test -d $srcdir/libraries/vital95 || ! test -d $srcdir/libraries/vital2000; then
echo "Sorry, full IEEE library source files not present"
echo "consider --enable-gplcompat"
exit 1
fi
fi
# Compute build machine
if test x$build = x; then
build=`$CC $CFLAGS -dumpmachine`
fi
echo "Build machine is: $build"
# For mcode, check that gcc emits i386
if test $backend = mcode; then
case "$build" in
i[3-6]86*) mcode64="" ;;
x86_64*) mcode64="64" ;;
amd64*) mcode64="64" ;;
*)
mcode64=""
echo "WARNING: GHDL for mcode is supported only on x86"
echo "continuing, but build failure expected (See the README)"
;;
esac
if test "x$backtrace_lib" != x ; then
echo "WARNING: --with-backtrace-lib= ignored with mcode"
backtrace_lib=
fi
backend_version="none"
fi
# For gcc backend, check existing version
if test $backend = gcc; then
if ! test -f $gcc_src_dir/gcc/BASE-VER; then
echo "cannot find gcc/BASE-VER in $gcc_src_dir"
exit 1
fi
backend_version=`cat $gcc_src_dir/gcc/BASE-VER`
if test "x$backtrace_lib" = x ; then
# Automatically use libbacktrace from gcc.
backtrace_lib="$prefix/$libghdldirsuffix/libbacktrace.a"
fi
fi
# For llvm backend, check llvm-config
if test $backend = llvm -o $backend = llvm_jit; then
# No quotes for llvm_config, so that options (like --link-static) can be
# added. As a consequence, spaces in --with-llvm-config= are not allowed
# for the path.
llvm_version=`$llvm_config --version 2>/dev/null`
if [ $? != 0 ]; then
echo "cannot run $llvm_config"
exit 1
fi
if check_version 3.5 $llvm_version ||
check_version 3.6 $llvm_version ||
check_version 3.7 $llvm_version ||
check_version 3.8 $llvm_version ||
check_version 3.9 $llvm_version ||
check_version 4.0 $llvm_version ||
check_version 5.0 $llvm_version ||
false; then
echo "Debugging not enabled with llvm $llvm_version"
elif check_version 6.0 $llvm_version ||
check_version 7.0 $llvm_version ||
check_version 8.0 $llvm_version ||
check_version 9.0 $llvm_version ||
check_version 10.0 $llvm_version ||
check_version 11.0 $llvm_version ||
check_version 11.1 $llvm_version ||
check_version 12.0 $llvm_version ||
check_version 13.0 $llvm_version ||
check_version 14.0 $llvm_version ||
check_version 15.0 $llvm_version ||
check_version 16.0 $llvm_version ||
check_version 17.0 $llvm_version ||
check_version 18.1 $llvm_version ||
check_version 19. $llvm_version ||
false; then
echo "Debugging is enabled with llvm $llvm_version"
else
echo "Unhandled version llvm $llvm_version"
exit 1
fi
# For llvm, the c++ compiler is used for linking so that the standard c++
# library is included. However, the linker needs the no_compact_unwind
# flag because code generated by gcc is not compatible with compact unwind.
case "$build" in
*darwin*) LDFLAGS="$LDFLAGS -Wl,-no_compact_unwind" ;;
esac
backend_version="$llvm_version"
fi
# Define default file extensions for Windows or Linux-like systems and
# use -fPIC or not.
case "$build" in
*mingw* | *cygwin* | *windows-gnu*) SOEXT=".dll"; EXEEXT=".exe"; PIC_FLAGS="";;
*darwin*) SOEXT=".dylib"; EXEEXT=""; PIC_FLAGS="";;
*) SOEXT=".so"; EXEEXT=""; PIC_FLAGS="-fPIC";;
esac
# Define libghdl_version
libghdl_version=`echo $ghdl_version | sed -e 's/[-.]/_/g'`
# Check if gcc was configured with --enable-default-pie. In that case -fPIC
# should be added.
if gcc -v 2>&1 | grep -q enable-default-pie; then
default_pic="true"
fi
# Create subdirectories
if [ ! -d pic ]; then
echo "create pic/ subdirectory"
if ! mkdir pic; then
echo "failed to create pic/"
exit 1;
fi
fi
# Define variables derrived from configuration
#
# Note most of these are used to generate default_paths.ads, you should
# also update scripts/windows/mcode/default_paths.ads if you change them.
COMPILER_GCC=ghdl1-gcc$EXEEXT
COMPILER_DEBUG=ghdl1-debug$EXEEXT
COMPILER_MCODE=ghdl1-mcode$EXEEXT
COMPILER_LLVM=lib/ghdl/llvm/ghdl1-llvm$EXEEXT
POST_PROCESSOR=oread-$backend
INSTALL_PREFIX=$prefix
LIBDIR_SUFFIX=$libdirsuffix
LIBGHDLDIR_SUFFIX=$libghdldirsuffix
LIBNATIVEDIR_SUFFIX=$libnativedirsuffix
INCDIR_SUFFIX=$incdirsuffix
# Generate config.status
rm -f config.status
{
echo "#! /bin/sh"
echo "# Generated by configure."
echo "# Run this file to recreate the current configuration."
echo
echo 'if [ x"$1" = x"--reconfigure" ]; then'
# Do not use exec as bash 3.2 pass the absolute path in argv[0]
echo $echon " $progname"$echoc
for opt do
echo $echon \ \"$opt\"$echoc
done
echo
echo " exit"
echo 'fi'
echo
echo subst_vars=\"$subst_vars\"
for v in $subst_vars; do
eval vval=\$$v
echo $v=\'$vval\'
done
subst_files="Makefile default_paths.ads ghdl.gpr scripts/gcc/Make-lang.in"
echo "for f in $subst_files; do"
echo ' echo "Creating $f"'
echo ' mkdir -p "$(dirname "$f")"'
echo " sed \\"
for v in $subst_vars; do
echo " -e \"s%@$v@%\$$v%g\" \\"
done
echo ' < $srcdir/${f}.in > $f'
echo "done"
} > config.status || \
{
echo "$progname: cannot create config.status"
exit 1
}
chmod +x ./config.status
# Run config.status to generate files
if ! sh ./config.status; then
echo "$progname: cannot execute config.status"
exit 1
fi
# Create dirs
if ! $MAKE create-dirs; then
echo "$progname: cannot execute $MAKE create-dirs"
exit 1
fi
# Generate ortho_code-x86-flags
if test $backend = mcode; then
case "$build" in
*darwin*) ortho_flags="Flags_Macosx${mcode64}" ;;
*mingw32*) ortho_flags="Flags_Windows${mcode64}" ;;
*linux*) ortho_flags="Flags_Linux${mcode64}" ;;
*-gnu) ortho_flags="Flags_Linux${mcode64}" ;;
*openbsd*) ortho_flags="Flags_Macosx${mcode64}" ;;
*netbsd*) ortho_flags="Flags_Macosx${mcode64}" ;;
*) echo "Unsupported $build build for mcode"; exit 1;;
esac
echo "Generate ortho_code-x86-flags.ads"
{
echo "with Ortho_Code.X86.$ortho_flags;"
echo "package Ortho_Code.X86.Flags renames Ortho_Code.X86.$ortho_flags;"
} > ortho_code-x86-flags.ads
echo "Generate elf_arch.ads"
{
echo "with Elf_Arch${mcode64:-32};"
echo "package Elf_Arch renames Elf_Arch${mcode64:-32};"
} > elf_arch.ads
fi
# Generate ghdlsynth_maybe.ads
echo "Generate ghdlsynth_maybe.ads"
if [ "$enable_synth" = "true" ]; then
pkg_synth=Ghdlsynth
else
pkg_synth=Ghdlnull
fi
echo "with $pkg_synth;" > ghdlsynth_maybe.ads
echo "package Ghdlsynth_Maybe renames $pkg_synth;" >> ghdlsynth_maybe.ads
# Generate grt-readline.ads
echo "Generate grt-readline.ads"
echo "with Grt.Readline_${with_readline};" > grt-readline.ads
echo "package Grt.Readline renames Grt.Readline_${with_readline};" >> grt-readline.ads
exit 0
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