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# -copyright-
#-# Copyright: 2015-2025 Willem Vermin wvermin@gmail.com
#-#
#-# License: BSD-3-Clause
#-# Redistribution and use in source and binary forms, with or without
#-# modification, are permitted provided that the following conditions
#-# are met:
#-# 1. Redistributions of source code must retain the above copyright
#-# notice, this list of conditions and the following disclaimer.
#-# 2. Redistributions in binary form must reproduce the above copyright
#-# notice, this list of conditions and the following disclaimer in the
#-# documentation and/or other materials provided with the distribution.
#-# 3. Neither the name of the copyright holder nor the names of its
#-# contributors may be used to endorse or promote products derived
#-# from this software without specific prior written permission.
#-#
#-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE HOLDERS OR
#-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
#-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
#-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
#-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
#-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
#-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_INIT([findent],[4.3.5],[wvermin@gmail.com])
AM_INIT_AUTOMAKE
AM_MAINTAINER_MODE
AC_CONFIG_SRCDIR([src/findent.cpp])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
# Following is for the --selfrep option. If possible we create a binary that
# does not change when recompiled.
# see https://reproducible-builds.org/
# First: check if SOURCE_DATE_EPOCH is already defined
# if not: use the file 'bootdate' which should contain the output of 'date +%s'
s="$SOURCE_DATE_EPOCH"
if test "x$s" = x ; then
AC_MSG_WARN([SOURCE_DATE_EPOCH is not defined])
if test -f "$srcdir/bootdate" ; then
AC_MSG_NOTICE([Try to read SOURCE_DATE_EPOCH from file '$srcdir/bootdate'])
s=`head -n1 "$srcdir/bootdate"`
xd=`date -u -d "@$s" 2>/dev/null || date -u -r "$s" 2>/dev/null || echo "Invalid date format"`
AC_MSG_NOTICE([Read SOURCE_DATE_EPOCH=$s, i.e: $xd ])
fi
else
xd=`date -u -d "@$s" 2>/dev/null || date -u -r "$s" 2>/dev/null || echo "Invalid date format"`
AC_MSG_NOTICE([Given SOURCE_DATE_EPOCH=$s, i.e: $xd ])
fi
# final checks on the validity of SOURCE_DATE_EPOCH
# - must be an positive integer
# - date must be within -20 years and +1 year from current date
# if these are not fulfilled, use `date +%s`
x=$(echo "$s" | tr -dc "[0-9]" )
good=no
now=`date "+%s"`
if test "x$x" != x ; then
firstdate=$( expr "$now" - 631152000 )
lastdate=$( expr "$now" + 31536000 )
if test "$x" -gt "$firstdate" -a "$x" -lt "$lastdate" ; then
good=yes
fi
fi
if test x"$good" = xyes ; then
SOURCE_DATE_EPOCH="$x"
else
SOURCE_DATE_EPOCH="$now"
AC_MSG_WARN([SOURCE_DATE_EPOCH set from current date])
fi
xd=`date -u -d "@$SOURCE_DATE_EPOCH" 2>/dev/null || date -u -r "$SOURCE_DATE_EPOCH" 2>/dev/null || echo "Invalid date format"`
AC_MSG_NOTICE([Using SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH, i.e: $xd ])
DATE_FMT="+%Y-%m-%d"
DATE=`date -u -d "@$SOURCE_DATE_EPOCH" "$DATE_FMT" 2>/dev/null || date -u -r "$SOURCE_DATE_EPOCH" "$DATE_FMT" 2>/dev/null || date -u "$DATE_FMT"`
AC_SUBST([DATE])
# Check if we can create a reproducible 'make dist'.
# If yes: replace the original am__tar (Make's recipe to make a tarball) by
# a recipe that creates a reproducible tarball
tardir=conftestdir
mkdir "$tardir"
echo "foo" > $tardir/test
AC_MSG_NOTICE([Checking the capabilities of the tar program...])
"${TAR-tar}" --format=posix --pax-option=exthdr.name=%d/PaxHeaders/%f,delete=atime,delete=ctime \
--owner=0 --group=0 --numeric-owner --mtime="@${SOURCE_DATE_EPOCH}" --sort=name --mode="a+rwX" -chf - "$tardir" > /dev/null
if test $? -eq 0 ; then
AC_MSG_NOTICE([The program tar is usable to create a reproducible tar ball.])
am__tar='$${TAR-tar} --format=posix --pax-option=exthdr.name=%d/PaxHeaders/%f,delete=atime,delete=ctime \
--owner=0 --group=0 --numeric-owner --mtime="'"@${SOURCE_DATE_EPOCH}"'" --sort=name --sort=name --mode="a+rwX" -chf - "$$tardir"'
else
AC_MSG_WARN([The program tar is not usable to create a reproducible build.])
AC_MSG_WARN([If a reproducible build is desired, use environment variable 'TAR' to point to a pax-enabled tar,])
AC_MSG_WARN([or use the flag '--disable-selfrep'.])
fi
rm -r "$tardir"
AC_ARG_ENABLE(selfrep, [AS_HELP_STRING([--enable-selfrep],[Build with self replicating mode @<:@default=yes@:>@])],[],[enable_selfrep=yes])
AM_CONDITIONAL([MAKESELFREP],[test "x$enable_selfrep" = "xyes" ])
# --- end of selfrep code
AC_SUBST([make_include], ["include"])
AC_ARG_WITH(esope, [AS_HELP_STRING([--with-esope],[Build with esope support @<:@default=no@:>@])],[],[with_esope=no])
AM_CONDITIONAL([USEESOPE],[test "x$with_esope" = "xyes"])
# test if bison available etc...
AC_ARG_WITH(bison, [AS_HELP_STRING([--with-bison],[Use bison to create parser @<:@default=use-bison-if-available@:>@])],[],[with_bison=use-bison-if-available])
usebison="$with_bison"
AS_IF( [test "x$with_bison" != "xno"],
[ m4_include([m4/ax_prog_bison.m4]) ] )
AS_IF( [test "x$with_bison" = "xyes"],
[AX_PROG_BISON([],[AC_MSG_ERROR([No valid bison found. Try --without-bison])])])
AS_IF( [test "x$with_bison" = "xuse-bison-if-available"],
[AX_PROG_BISON(AC_MSG_NOTICE([Will use bison if necessary to create parser.])
[usebison="yes"],
AC_MSG_NOTICE([No bison found. Will use pre-built parser.])
[usebison="no"])])
AM_CONDITIONAL([USEBISON],[test "x$usebison" = "xyes"])
# test if flex available etc...
AC_ARG_VAR([LEX],[The 'Fast lexical analyser generator' to use])
AC_ARG_WITH(flex, [AS_HELP_STRING([--with-flex],[Use flex to create lexer @<:@default=use-flex-if-available@:>@])],[],[with_flex=use-flex-if-available])
useflex="$with_flex"
AS_IF( [test "x$with_flex" != "xno"],
[ m4_include([m4/ax_prog_flex.m4]) ] )
AS_IF( [test "x$with_flex" = "xyes"],
[AX_PROG_FLEX([],[AC_MSG_ERROR([No valid flex found. Try --without-flex])])])
AS_IF( [test "x$with_flex" = "xuse-flex-if-available"],
[AX_PROG_FLEX(AC_MSG_NOTICE([Will use flex if necessary to create lexer.])
[useflex="yes"],
AC_MSG_NOTICE([No flex found. Will use pre-built lexer.])
[useflex="no"])])
AM_CONDITIONAL([USEFLEX],[test "x$useflex" = "xyes"])
AM_CONDITIONAL([CROSSCOMPILE],[test "x$cross_compiling" = "xyes"])
# test for working gfortran (only used in make check):
AC_PROG_FC([gfortran])
AS_IF( [test "x$FC" = "xgfortran"],
[AC_MSG_NOTICE([gfortran will be used to compile test sources in 'make check'])],
[AC_MSG_NOTICE([No gfortran compiler found. 'make check' will not try to compile test sources])])
AC_CONFIG_FILES([test/prelude])
AC_CONFIG_FILES([test/postlude])
AC_CONFIG_FILES([test/test-compile.sh],[chmod +x test/test-compile.sh])
AC_CONFIG_FILES([test/doit],[chmod +x test/doit])
AC_CONFIG_FILES([test/init.sh],[chmod +x test/init.sh])
AC_CONFIG_FILES([test/progfixed-dos.f.try.f.ref])
AC_CONFIG_FILES([test/progfixed-dos.f])
AC_CONFIG_FILES([test/progfixed.f.try.f.ref])
AC_CONFIG_FILES([test/progfixed.f])
AC_CONFIG_FILES([test/progfixed1.f.try.f.ref])
AC_CONFIG_FILES([test/progfixed1.f])
AC_CONFIG_FILES([test/progfixedfree-dos.f.try.f.ref])
AC_CONFIG_FILES([test/progfixedfree-dos.f])
AC_CONFIG_FILES([test/progfixedfree.f.try.f.ref])
AC_CONFIG_FILES([test/progfixedfree.f])
AC_CONFIG_FILES([test/progfree-dos.f.try.f.ref])
AC_CONFIG_FILES([test/progfree-dos.f])
AC_CONFIG_FILES([test/progfree.f.try.f.ref])
AC_CONFIG_FILES([test/progfree.f])
AC_CONFIG_FILES([test/progfree1.f.try.f.ref])
AC_CONFIG_FILES([test/progfree1.f])
AC_CONFIG_FILES([test/progfreefixed.f.try.f.ref])
AC_CONFIG_FILES([test/progfreefixed.f])
AC_CONFIG_FILES([test/esope.f.try.f.ref])
AC_CONFIG_FILES([test/esope.f])
AC_CONFIG_FILES([test/progrelabelfree.f])
AC_CONFIG_FILES([test/progrelabelfree.f.try.f.ref])
AC_CONFIG_FILES([test/progfixedrelabelfixed.f])
AC_CONFIG_FILES([test/progfixedrelabelfixed.f.try.f.ref])
AC_CONFIG_FILES([test/progfixedshufflefixed.f])
AC_CONFIG_FILES([test/progfixedshufflefixed.f.try.f.ref])
AC_CONFIG_FILES([test/progshufflefree.f])
AC_CONFIG_FILES([test/progshufflefree.f.try.f.ref])
AC_CONFIG_FILES([test/changelog.ref])
AC_CONFIG_FILES([test/emacs_findent.ref])
AC_CONFIG_FILES([test/emacs_help.ref])
AC_CONFIG_FILES([test/gedit_external.ref])
AC_CONFIG_FILES([test/gedit_help.ref])
AC_CONFIG_FILES([test/gedit_plugin.ref])
AC_CONFIG_FILES([test/gedit_plugin_py.ref])
AC_CONFIG_FILES([test/help.ref])
AC_CONFIG_FILES([test/makefdeps.ref])
AC_CONFIG_FILES([test/manpage.ref])
AC_CONFIG_FILES([test/readme.ref])
AC_CONFIG_FILES([test/vim_findent.ref])
AC_CONFIG_FILES([test/vim_fortran.ref])
AC_CONFIG_FILES([test/vim_help.ref])
AC_PROG_CXX
AC_PROG_AWK
AC_PROG_SED
AX_PROG_CXX_FOR_BUILD
AX_PROG_CC_FOR_BUILD
AC_LANG([C++])
AC_CHECK_HEADERS([iostream string deque map algorithm sstream iomanip set typeinfo utility],[],AC_MSG_ERROR([Exiting]))
AC_CHECK_HEADERS([assert.h errno.h getopt.h inttypes.h stdio.h stdlib.h string.h unistd.h],[],AC_MSG_ERROR([Exiting]))
AC_CONFIG_FILES([Makefile src/Makefile scripts/Makefile test/Makefile vim/Makefile
gedit/Makefile emacs/Makefile doc/Makefile deps/Makefile doc/design/Makefile])
AC_OUTPUT
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