/usr/share/aclocal/coin.m4 is in libcoin80-dev 3.1.4~abc9f50-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Usage:
# SIM_AC_HAVE_COIN_IFELSE( IF-FOUND, IF-NOT-FOUND )
#
# Description:
# This macro locates the Coin development system. If it is found,
# the set of variables listed below are set up as described and made
# available to the configure script.
#
# The $sim_ac_coin_desired variable can be set to false externally to
# make Coin default to be excluded.
#
# Autoconf Variables:
# > $sim_ac_coin_desired true | false (defaults to true)
# < $sim_ac_coin_avail true | false
# < $sim_ac_coin_cppflags (extra flags the preprocessor needs)
# < $sim_ac_coin_cflags (extra flags the C compiler needs)
# < $sim_ac_coin_cxxflags (extra flags the C++ compiler needs)
# < $sim_ac_coin_ldflags (extra flags the linker needs)
# < $sim_ac_coin_libs (link library flags the linker needs)
# < $sim_ac_coin_datadir (location of Coin data files)
# < $sim_ac_coin_includedir (location of Coin headers)
# < $sim_ac_coin_version (the libCoin version)
# < $sim_ac_coin_msvcrt (the MSVC++ C library Coin was built with)
# < $sim_ac_coin_configcmd (the path to coin-config or "false")
#
# Authors:
# Lars J. Aas, <larsa@sim.no>
# Morten Eriksen, <mortene@sim.no>
#
# TODO:
#
AC_DEFUN([SIM_AC_HAVE_COIN_IFELSE], [
AC_PREREQ([2.14a])
# official variables
sim_ac_coin_avail=false
sim_ac_coin_cppflags=
sim_ac_coin_cflags=
sim_ac_coin_cxxflags=
sim_ac_coin_ldflags=
sim_ac_coin_libs=
sim_ac_coin_datadir=
sim_ac_coin_includedir=
sim_ac_coin_version=
# internal variables
: ${sim_ac_coin_desired=true}
sim_ac_coin_extrapath=
AC_ARG_WITH([coin],
AC_HELP_STRING([--with-coin], [enable use of Coin [[default=yes]]])
AC_HELP_STRING([--with-coin=DIR], [give prefix location of Coin]),
[ case $withval in
no) sim_ac_coin_desired=false ;;
yes) sim_ac_coin_desired=true ;;
*) sim_ac_coin_desired=true
sim_ac_coin_extrapath=$withval ;;
esac],
[])
case $build in
*-mks ) sim_ac_pathsep=";" ;;
* ) sim_ac_pathsep="${PATH_SEPARATOR}" ;;
esac
if $sim_ac_coin_desired; then
sim_ac_path=$PATH
test -z "$sim_ac_coin_extrapath" || ## search in --with-coin path
sim_ac_path="$sim_ac_coin_extrapath/bin${sim_ac_pathsep}$sim_ac_path"
test x"$prefix" = xNONE || ## search in --prefix path
sim_ac_path="$sim_ac_path${sim_ac_pathsep}$prefix/bin"
AC_PATH_PROG(sim_ac_coin_configcmd, coin-config, false, $sim_ac_path)
if test "X$sim_ac_coin_configcmd" != "Xfalse"; then
test -n "$CONFIG" &&
$sim_ac_coin_configcmd --alternate=$CONFIG >/dev/null 2>/dev/null &&
sim_ac_coin_configcmd="$sim_ac_coin_configcmd --alternate=$CONFIG"
fi
if $sim_ac_coin_configcmd; then
sim_ac_coin_version=`$sim_ac_coin_configcmd --version`
sim_ac_coin_cppflags=`$sim_ac_coin_configcmd --cppflags`
sim_ac_coin_cflags=`$sim_ac_coin_configcmd --cflags 2>/dev/null`
sim_ac_coin_cxxflags=`$sim_ac_coin_configcmd --cxxflags`
sim_ac_coin_ldflags=`$sim_ac_coin_configcmd --ldflags`
sim_ac_coin_libs=`$sim_ac_coin_configcmd --libs`
sim_ac_coin_datadir=`$sim_ac_coin_configcmd --datadir`
# Hide stderr on the following, as ``--includedir'', ``--msvcrt''
# and ``--cflags'' options were added late to coin-config.
sim_ac_coin_includedir=`$sim_ac_coin_configcmd --includedir 2>/dev/null`
sim_ac_coin_msvcrt=`$sim_ac_coin_configcmd --msvcrt 2>/dev/null`
sim_ac_coin_cflags=`$sim_ac_coin_configcmd --cflags 2>/dev/null`
AC_CACHE_CHECK(
[if we can compile and link with the Coin library],
sim_cv_coin_avail,
[sim_ac_save_cppflags=$CPPFLAGS
sim_ac_save_cxxflags=$CXXFLAGS
sim_ac_save_ldflags=$LDFLAGS
sim_ac_save_libs=$LIBS
CPPFLAGS="$CPPFLAGS $sim_ac_coin_cppflags"
CXXFLAGS="$CXXFLAGS $sim_ac_coin_cxxflags"
LDFLAGS="$LDFLAGS $sim_ac_coin_ldflags"
LIBS="$sim_ac_coin_libs $LIBS"
AC_LANG_PUSH(C++)
AC_TRY_LINK(
[#include <Inventor/SoDB.h>],
[SoDB::init();],
[sim_cv_coin_avail=true],
[sim_cv_coin_avail=false])
AC_LANG_POP
CPPFLAGS=$sim_ac_save_cppflags
CXXFLAGS=$sim_ac_save_cxxflags
LDFLAGS=$sim_ac_save_ldflags
LIBS=$sim_ac_save_libs
])
sim_ac_coin_avail=$sim_cv_coin_avail
if $sim_ac_coin_avail; then :; else
AC_MSG_WARN([
Compilation and/or linking with the Coin main library SDK failed, for
unknown reason. If you are familiar with configure-based configuration
and building, investigate the 'config.log' file for clues.
If you can not figure out what went wrong, please forward the 'config.log'
file to the email address <coin-support@coin3d.org> and ask for help by
describing the situation where this failed.
])
fi
else # no 'coin-config' found
# FIXME: test for Coin without coin-config script here
if test x"$COINDIR" != x""; then
sim_ac_coindir=`cygpath -u "$COINDIR" 2>/dev/null || echo "$COINDIR"`
if test -d $sim_ac_coindir/bin && test -d $sim_ac_coindir/lib && test -d $sim_ac_coindir/include/Inventor; then
# using newest version (last alphabetically) in case of multiple libs
sim_ac_coin_lib_file=`echo $sim_ac_coindir/lib/coin*.lib | sed -e 's,.* ,,g'`
if test -f $sim_ac_coin_lib_file; then
sim_ac_coin_lib_name=`echo $sim_ac_coin_lib_file | sed -e 's,.*/,,g' -e 's,.lib,,'`
sim_ac_save_cppflags=$CPPFLAGS
sim_ac_save_libs=$LIBS
sim_ac_save_ldflags=$LDFLAGS
CPPFLAGS="$CPPFLAGS -I$sim_ac_coindir/include"
if test -f $sim_ac_coindir/bin/$sim_ac_coin_lib_name.dll; then
CPPFLAGS="$CPPFLAGS -DCOIN_DLL"
fi
LDFLAGS="$LDFLAGS -L$sim_ac_coindir/lib"
LIBS="-l$sim_ac_coin_lib_name -lopengl32 $LIBS"
AC_LANG_PUSH(C++)
AC_TRY_LINK(
[#include <Inventor/SoDB.h>],
[SoDB::init();],
[sim_cv_coin_avail=true],
[sim_cv_coin_avail=false])
AC_LANG_POP
CPPFLAGS=$sim_ac_save_cppflags
LDFLAGS=$sim_ac_save_ldflags
LIBS=$sim_ac_save_libs
sim_ac_coin_avail=$sim_cv_coin_avail
fi
fi
fi
if $sim_ac_coin_avail; then
sim_ac_coin_cppflags=-I$sim_ac_coindir/include
if test -f $sim_ac_coindir/bin/$sim_ac_coin_lib_name.dll; then
sim_ac_coin_cppflags="$sim_ac_coin_cppflags -DCOIN_DLL"
fi
sim_ac_coin_ldflags=-L$sim_ac_coindir/lib
sim_ac_coin_libs="-l$sim_ac_coin_lib_name -lopengl32"
sim_ac_coin_datadir=$sim_ac_coindir/data
else
locations=`IFS="${sim_ac_pathsep}"; for p in $sim_ac_path; do echo " -> $p/coin-config"; done`
AC_MSG_WARN([cannot find 'coin-config' at any of these locations:
$locations])
AC_MSG_WARN([
Need to be able to run 'coin-config' to figure out how to build and link
against the Coin library. To rectify this problem, you most likely need
to a) install Coin if it has not been installed, b) add the Coin install
bin/ directory to your PATH environment variable.
])
fi
fi
fi
if $sim_ac_coin_avail; then
ifelse([$1], , :, [$1])
else
ifelse([$2], , :, [$2])
fi
]) # SIM_AC_HAVE_COIN_IFELSE()
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