configure.ac

   1 AC_INIT([barvinok], [0.34], [isl-development@googlegroups.com])
   2 AC_CONFIG_MACRO_DIR([m4])
   3 AM_INIT_AUTOMAKE([foreign])
   4 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
   5 AC_PROG_CC
   6
   7 AC_PROG_CXX
   8 AM_PROG_LEX
   9 AC_PROG_YACC
  10 AC_SUBST(versioninfo)
  11 versioninfo=22:1:2
  12
  13 AC_CANONICAL_HOST
  14 AC_LIBTOOL_WIN32_DLL
  15 AC_SUBST(BV_LDFLAGS)
  16 case $host in
  17         *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
  18         if test "$enable_shared" = yes; then
  19                 BV_LDFLAGS="-no-undefined"
  20         fi
  21         ;;
  22 esac
  23
  24 AC_PROG_LIBTOOL
  25
  26 PKG_PROG_PKG_CONFIG
  27
  28 AC_CHECK_HEADERS(getopt.h)
  29 AC_CHECK_HEADERS(sys/times.h)
  30 AC_CHECK_FUNCS(sigaction)
  31
  32 AC_MSG_CHECKING(whether to build shared libbarvinok)
  33 AC_ARG_ENABLE(shared_barvinok,
  34         AS_HELP_STRING([--enable-shared-barvinok],
  35                        [build shared barvinok library]),
  36         [bv_cv_shared_barvinok=$enableval], [bv_cv_shared_barvinok="no"])
  37 AC_MSG_RESULT($bv_cv_shared_barvinok)
  38 if test "x$bv_cv_shared_barvinok" != "xyes" ; then
  39         BV_LDFLAGS="$BV_LDFLAGS -static"
  40 fi
  41
  42 AC_CXX_GNUCXX_HASHMAP
  43
  44 AC_ARG_WITH(default-prefix,
  45         AS_HELP_STRING([--with-default-prefix=DIR],
  46             [Default installation prefix of optional packages]))
  47 if test "${with_default_prefix+set}" = set; then
  48         if test "${with_libgmp+set}" != set -a \
  49            -f "$with_default_prefix/include/gmp.h"; then
  50                 with_libgmp=$with_default_prefix
  51         fi
  52         if test "${with_ntl+set}" != set -a \
  53            -f "$with_default_prefix/include/NTL/ZZ.h"; then
  54                 with_ntl=$with_default_prefix
  55         fi
  56         if test "${with_cddlib+set}" != set -a \
  57            -f "$with_default_prefix/include/cddmp.h"; then
  58                 with_cddlib=$with_default_prefix
  59         fi
  60         if test "${with_glpk+set}" != set -a \
  61            -f "$with_default_prefix/include/glpk.h"; then
  62                 with_glpk=$with_default_prefix
  63         fi
  64         if test "${with_topcom+set}" != set -a \
  65            -f "$with_default_prefix/bin/points2triangs"; then
  66                 with_topcom=$with_default_prefix
  67         fi
  68 fi
  69
  70 dnl Check for GMP library
  71 AC_MSG_CHECKING(whether to use GMP)
  72 AC_ARG_WITH(libgmp,
  73         [  --with-libgmp           DIR Location of the GMP Distribution],
  74         gmp_package=$withval, gmp_package=yes)
  75 if test "x$gmp_package" = "xno"; then
  76         AC_MSG_RESULT(no)
  77         AC_MSG_ERROR(Need gmp)
  78 else
  79         AC_MSG_RESULT(yes)
  80         if test "x$gmp_package" = "xyes"; then
  81                 bv_configure_args="$bv_configure_args --with-libgmp --with-gmp"
  82         else
  83             bv_configure_args="$bv_configure_args --with-libgmp=$gmp_package"
  84             bv_configure_args="$bv_configure_args --with-gmp-prefix=$gmp_package"
  85             GMP_DIR=$gmp_package
  86             if test ! -d "$GMP_DIR"; then
  87                 AC_ERROR(Directory given for GMP Distribution is not a directory)
  88             fi
  89             CPPFLAGS="-I$GMP_DIR/include $CPPFLAGS"
  90             LDFLAGS="-L$GMP_DIR/lib $LDFLAGS"
  91         fi
  92         poly_cv_gmpfatal="no"
  93         AC_CHECK_HEADER(gmp.h,
  94                 [AC_CHECK_LIB(gmp,main,
  95                     [],
  96                     [poly_cv_gmpfatal="yes"])],
  97                 [poly_cv_gmpfatal="yes"])
  98         if test "$poly_cv_gmpfatal" = "yes"; then
  99                 AC_MSG_ERROR([GMP not found])
 100         fi
 101 fi
 102 AC_CHECK_DECL(mpz_divisible_p,[],[AC_LIBOBJ(mpz_divisible_p)],[#include <gmp.h>])
 103
 104 AX_SUBMODULE(polylib,build|bundled|system,bundled)
 105
 106 AC_SUBST(POLYLIB_CPPFLAGS)
 107 AC_SUBST(POLYLIB_LDFLAGS)
 108 AC_SUBST(POLYLIB_LIBS)
 109 case "$with_polylib" in
 110 bundled)
 111         bv_configure_args="$bv_configure_args --with-polylib-builddir=../polylib"
 112         POLYLIB_CPPFLAGS="-I\$(top_builddir)/polylib/include -I\$(top_srcdir)/polylib/include"
 113         ;;
 114 build)
 115         with_polylib_builddir=`echo @abs_builddir@ | $with_polylib_builddir/config.status --file=-`
 116         POLYLIB_CPPFLAGS="-I$polylib_srcdir/include -I$with_polylib_builddir/include"
 117         POLYLIB_LIBS="$with_polylib_builddir/libpolylibgmp.la"
 118         ;;
 119 system)
 120         POLYLIB_LIBS="-lpolylibgmp"
 121         if test "x$with_polylib_prefix" != "x"; then
 122                 POLYLIB_CPPFLAGS="-I$with_polylib_prefix/include"
 123                 POLYLIB_LDFLAGS="-L$with_polylib_prefix/lib"
 124         fi
 125         SAVE_CPPFLAGS="$CPPFLAGS"
 126         CPPFLAGS="$POLYLIB_CPPFLAGS $CPPFLAGS"
 127         AC_CHECK_HEADERS([polylib/polylibgmp.h], [], [
 128                 AC_MSG_ERROR(Need PolyLib)
 129         ])
 130         CPPFLAGS="$SAVE_CPPFLAGS"
 131 esac
 132
 133 AM_CONDITIONAL(BUNDLED_POLYLIB, test $with_polylib = bundled)
 134
 135 AX_SUBMODULE(isl,build|bundled|system,bundled)
 136
 137 AC_SUBST(ISL_CFLAGS)
 138 AC_SUBST(ISL_LIBS)
 139 AC_SUBST(ISL_BUILDDIR)
 140 case "$with_isl" in
 141 bundled)
 142         ISL_CFLAGS="-I\$(top_srcdir)/isl/include -I\$(top_builddir)/isl/include"
 143         bv_configure_args="$bv_configure_args --with-isl-builddir=../isl"
 144         PACKAGE_CFLAGS_ISL='-I${prefix}/include'
 145         ;;
 146 build)
 147         ISL_BUILDDIR=`echo @abs_builddir@ | $with_isl_builddir/config.status --file=-`
 148         bv_configure_args="$bv_configure_args --with-isl-builddir=$ISL_BUILDDIR"
 149         ISL_CFLAGS="-I$isl_srcdir/include -I$ISL_BUILDDIR/include"
 150         PACKAGE_CFLAGS_ISL='-I${prefix}/include'
 151         ;;
 152 system)
 153         PKG_CHECK_MODULES([ISL], [isl])
 154         PACKAGE_CFLAGS_ISL="$ISL_CFLAGS"
 155 esac
 156 AM_CONDITIONAL(BUNDLED_ISL, test $with_isl = bundled)
 157 AM_CONDITIONAL(BUILD_ISL, test $with_isl = build)
 158
 159 AX_SUBMODULE(isl-polylib,build|bundled|system,bundled)
 160
 161 AC_SUBST(ISL_POLYLIB_CFLAGS)
 162 AC_SUBST(ISL_POLYLIB_LIBS)
 163 case "$with_isl_polylib" in
 164 bundled)
 165         ISL_POLYLIB_CFLAGS="-I\$(top_srcdir)/isl-polylib/include -I\$(top_builddir)/isl-polylib/include"
 166         ;;
 167 build)
 168         ISL_POLYLIB_CFLAGS="-I$isl_polylib_srcdir/include -I$with_isl_polylib_builddir/include"
 169         ISL_POLYLIB_LIBS="$with_isl_polylib_builddir/libisl-polylib.la"
 170         ;;
 171 system)
 172         PKG_CHECK_MODULES([ISL_POLYLIB], [isl-polylib])
 173 esac
 174 AM_CONDITIONAL(BUNDLED_ISL_POLYLIB, test $with_isl_polylib = bundled)
 175
 176 AC_MSG_CHECKING(if the fractional representation should be used)
 177 AC_ARG_ENABLE(fractional, [AS_HELP_STRING([--disable-fractional],
 178                                           [Don't use fractional representation])],
 179             [bv_cv_fractional=$enableval], [bv_cv_fractional="yes"])
 180 AC_ARG_ENABLE(modulo, [AS_HELP_STRING([--disable-modulo],
 181                                       [Don't use fractional representation])],
 182             [bv_cv_modulo=$enableval], [bv_cv_modulo="$bv_cv_fractional"])
 183 AC_MSG_RESULT($bv_cv_modulo)
 184 if test "x$bv_cv_modulo" != "xno" ; then
 185         AC_DEFINE(USE_MODULO,[], [Use fractional representation])
 186 fi
 187
 188 AC_MSG_CHECKING(whether to use incremental algorithm)
 189 AC_ARG_ENABLE(incremental,
 190         [AS_HELP_STRING([--enable-incremental@<:@=bf|df@:>@],
 191                         [Enable incremental algorithm [bf]])],
 192         [bv_cv_incremental=$enableval], [bv_cv_incremental="no"])
 193 AC_MSG_RESULT($bv_cv_incremental)
 194 case $bv_cv_incremental in
 195         yes | bf)
 196                 AC_DEFINE(USE_INCREMENTAL_BF,[],
 197                           [Use breadth-first incremental algorithm])
 198         ;;
 199         df)
 200                 AC_DEFINE(USE_INCREMENTAL_DF,[],
 201                           [Use depth-first incremental algorithm])
 202         ;;
 203 esac
 204
 205 AC_ARG_WITH(ntl,
 206             [  --with-ntl=DIR          DIR Location of NTL],
 207             [ echo "Package ntl : $withval" && ntl_package=$withval],
 208             [ ntl_package=yes ])
 209
 210 if test "$ntl_package" = "no"; then
 211     AC_MSG_ERROR(Need ntl)
 212 fi
 213
 214 AC_SUBST(NTL_CPPFLAGS)
 215 AC_SUBST(NTL_LDFLAGS)
 216 if test "$ntl_package" != "yes"; then
 217     NTL_CPPFLAGS="-I$ntl_package/include"
 218     NTL_LDFLAGS="-L$ntl_package/lib"
 219 fi
 220
 221 SAVE_CPPFLAGS="$CPPFLAGS"
 222 SAVE_LDFLAGS="$LDFLAGS"
 223 CPPFLAGS="$NTL_CPPFLAGS $CPPFLAGS"
 224 LDFLAGS="$NTL_LDFLAGS $LDFLAGS"
 225 AC_LANG_PUSH(C++)
 226 AC_EGREP_CPP(yes, [
 227     #include <NTL/ZZ.h>
 228     #ifdef NTL_GMP_LIP
 229     yes
 230     #endif
 231     ],:,AC_MSG_ERROR(ntl not compiled with gmp support))
 232 AC_LANG_POP
 233
 234 AC_CHECK_LIB(ntl, main,[],[
 235     AC_MSG_ERROR(Need ntl)
 236 ])
 237 CPPFLAGS="$SAVE_CPPFLAGS"
 238 LDFLAGS="$SAVE_LDFLAGS"
 239
 240 AC_SUBST(bv_cone_hilbert_basis)
 241 AC_MSG_CHECKING(whether to compile zsolve)
 242 AC_ARG_WITH(zsolve,
 243             [AS_HELP_STRING([--without-zsolve],[do not compile zsolve])],
 244             [ with_zsolve=$withval],  [ with_zsolve=yes ])
 245 AC_MSG_RESULT($with_zsolve)
 246
 247 use_zsolve=false
 248 if test "$with_zsolve" != "no"; then
 249         if test "$GCC" = "yes"; then
 250                 $CC --version |
 251                 sed -e 's/.* \(@<:@0-9@:>@@<:@0-9@:>@*\)\.\(@<:@0-9@:>@@<:@0-9@:>@*\).*/\1 \2/' |
 252                 (read major minor
 253                         if test $major -gt 3; then
 254                                 exit 0
 255                         fi
 256                         if test $major -eq 3 -a $minor -ge 4; then
 257                                 exit 0
 258                         fi
 259                         exit 1
 260                 ) && use_zsolve=true
 261         fi
 262         if test "$use_zsolve" = false; then
 263                 AC_MSG_WARN(gcc 3.4 required to compile zsolve)
 264         else
 265                 AC_DEFINE(USE_ZSOLVE,[],[use zsolve])
 266                 bv_cone_hilbert_basis="cone_hilbert_basis\$(EXEEXT)"
 267         fi
 268 fi
 269 AM_CONDITIONAL(USE_ZSOLVE, test x$use_zsolve = xtrue)
 270
 271 AX_SUBMODULE(omega,no|bundled|system,no)
 272
 273 AC_SUBST(OMEGA_CPPFLAGS)
 274 AC_SUBST(OMEGA_LDFLAGS)
 275 AC_SUBST(OMEGA_LIBS)
 276 AC_SUBST(OMEGA_CODEGEN_LIBS)
 277 have_omega=false
 278 have_codegen=false
 279 case "$with_omega" in
 280 bundled)
 281         have_omega=true
 282         have_codegen=true
 283         OMEGA_CPPFLAGS="-I\$(top_srcdir)/omega/omega_lib/include"
 284         OMEGA_CPPFLAGS="$OMEGA_CPPFLAGS -I\$(top_srcdir)/omega/basic/include"
 285         OMEGA_CPPFLAGS="$OMEGA_CPPFLAGS -I\$(top_srcdir)/omega/code_gen/include"
 286         OMEGA_CPPFLAGS="$OMEGA_CPPFLAGS -I\$(top_srcdir)/omega/omega_calc/include"
 287         ;;
 288 system)
 289     if test "x$omega_package" != "xyes"; then
 290         OMEGA_CPPFLAGS="-I$omega_package/include/omega"
 291         OMEGA_LDFLAGS="-L$omega_package/lib"
 292     else
 293         for i in /usr/include /usr/local/include; do
 294             if test -f $i/omega/omega.h; then
 295                 OMEGA_CPPFLAGS="-I$i/omega"
 296             fi
 297         done
 298     fi
 299
 300     AC_LANG_PUSH(C++)
 301     SAVE_CPPFLAGS="$CPPFLAGS"
 302     SAVE_LDFLAGS="$LDFLAGS"
 303     CPPFLAGS="$OMEGA_CPPFLAGS $CPPFLAGS"
 304     LDFLAGS="$OMEGA_LDFLAGS $LDFLAGS"
 305     AC_CHECK_HEADERS([omega.h],[
 306         OMEGA_LIBS="-lomega"
 307         AC_CHECK_LIB(code_gen,main,[
 308                 OMEGA_CODEGEN_LIBS="-lcode_gen -lomega"
 309                 have_codegen=true
 310         ])
 311         have_omega=true
 312     ],[AC_MSG_WARN(Omega not found)])
 313     CPPFLAGS="$SAVE_CPPFLAGS"
 314     LDFLAGS="$SAVE_LDFLAGS"
 315     AC_LANG_POP
 316     ;;
 317 esac
 318 if test "$have_omega" = true; then
 319         AC_DEFINE(HAVE_OMEGA,[],[use omega])
 320 fi
 321 AM_CONDITIONAL(HAVE_OMEGA, test x$have_omega = xtrue)
 322 AM_CONDITIONAL(BUNDLED_OMEGA, test $with_omega = bundled)
 323
 324 use_parker=false
 325 AC_MSG_CHECKING(whether to compile parker)
 326 AC_ARG_WITH(parker,
 327             [AS_HELP_STRING([--without-zsolve],[do not compile zsolve])],
 328             [ with_parker=$withval],  [ with_parker=yes ])
 329 AC_MSG_RESULT($with_parker)
 330
 331 if test "$with_parker" != "no"; then
 332         AC_MSG_CHECKING(for mona)
 333         AC_ARG_WITH(mona,
 334                 [AS_HELP_STRING([--with-mona=DIR],[mona *source* directory])],
 335                                 [], [AC_MSG_RESULT(not specified)])
 336
 337         if test "x$with_mona" != "x"; then
 338                 AC_SUBST(MONAPATH)
 339                 MONAPATH=$with_mona
 340                 AC_MSG_RESULT($MONAPATH)
 341                 use_parker=true
 342                 AC_DEFINE(USE_PARKER,[],[use parker])
 343         fi
 344
 345         if test "x$with_mona" = "x"; then
 346                 AC_MSG_WARN(mona source directory required to compile parker)
 347                 AC_MSG_WARN(http://www.brics.dk/mona/download)
 348         fi
 349 fi
 350 AM_CONDITIONAL(USE_PARKER, test x$use_parker = xtrue)
 351
 352 AC_MSG_CHECKING(whether to use cddlib)
 353 AC_ARG_WITH(cddlib, [AS_HELP_STRING([--with-cddlib=DIR],[DIR Location of cddlib])],
 354             [ cddlib_package=$withval],  [ cddlib_package=yes ])
 355 AC_MSG_RESULT($cddlib_package)
 356
 357 have_cddlib=false
 358 if test "$cddlib_package" != "no"; then
 359     if test "x$cddlib_package" != "xyes"; then
 360         CPPFLAGS="-I$cddlib_package/include $CPPFLAGS"
 361         LDFLAGS="-L$cddlib_package/lib $LDFLAGS"
 362     fi
 363     AC_TRY_LINK([
 364 #define GMPRATIONAL
 365 #include <setoper.h>
 366 #include <cddmp.h>
 367 ], [
 368     mytype a;
 369     dd_init(a); ], [
 370         have_cddlib=true
 371         AC_CHECK_LIB(cddgmp, main,[
 372                 SAVE_LIBS="$LIBS"
 373                 LIBS="-lcddgmp $LIBS"
 374                 AC_DEFINE_UNQUOTED([SRCDIR], ["$srcdir"], [srcdir])
 375                 AC_LANG_PUSH(C++)
 376                 AC_RUN_IFELSE(AC_LANG_PROGRAM([[#define GMPRATIONAL
 377 #include <setoper.h>
 378 #include <cdd.h>]],
 379                 [[
 380         const char *filename = SRCDIR"/cdd94e-test";
 381         FILE *f;
 382         dd_MatrixPtr M;
 383         dd_LPType *lp;
 384         dd_ErrorType err = dd_NoError;
 385
 386         dd_set_global_constants();
 387
 388         f = fopen(filename, "r");
 389         M = dd_PolyFile2Matrix(f, &err);
 390         lp = dd_Matrix2LP(M, &err);
 391         dd_LPSolve(lp, dd_DualSimplex, &err);
 392         return lp->LPS == dd_Inconsistent;
 393                 ]]),[
 394                         AC_DEFINE(HAVE_LIBCDDGMP, [], [Define to 1 if you have the `cddgmp' library (-lcddgmp).])
 395                 ],[
 396                         AC_MSG_WARN(please upgrade cddlib to 0.94e or later)
 397                         LIBS="$SAVE_LIBS"
 398                         have_cddlib=false
 399                 ])
 400                 AC_LANG_POP
 401         ],[have_cddlib=false])
 402     ])
 403 fi
 404 AM_CONDITIONAL(HAVE_CDDLIB, test x$have_cddlib = xtrue)
 405
 406
 407
 408 AC_MSG_CHECKING(whether to use GLPK)
 409 AC_ARG_WITH(glpk, [AS_HELP_STRING([--with-glpk=DIR],[DIR Location of GLPK])],
 410             [ glpk_package=$withval],  [ glpk_package=yes ])
 411 AC_MSG_RESULT($glpk_package)
 412
 413 have_glpk=false
 414 if test "$glpk_package" != "no"; then
 415     if test "x$glpk_package" != "xyes"; then
 416         CPPFLAGS="-I$glpk_package/include $CPPFLAGS"
 417         LDFLAGS="-L$glpk_package/lib $LDFLAGS"
 418     fi
 419     AC_CHECK_HEADERS([glpk.h],[
 420         have_glpk=true
 421         AC_CHECK_LIB(glpk, main,[],[have_glpk=false])
 422     ])
 423 fi
 424 AM_CONDITIONAL(HAVE_GLPK, test x$have_glpk = xtrue)
 425
 426 AC_MSG_CHECKING(location of TOPCOM)
 427 AC_ARG_WITH(topcom, [AS_HELP_STRING([--with-topcom=DIR],[Location of TOPCOM])],
 428             [topcom_package=$withval], [topcom_package=unspecified])
 429 AC_MSG_RESULT($topcom_package)
 430 have_topcom=false
 431 if test "$topcom_package" != no; then
 432         topcom_path="$PATH"
 433         if test "$topcom_package" != unspecified; then
 434                 topcom_path="$topcom_package/bin"
 435         fi
 436         AC_PATH_PROG([POINTS2TRIANGS], [points2triangs], [], [$topcom_path])
 437         if test -n "$POINTS2TRIANGS"; then
 438                 have_topcom=true
 439                 AC_DEFINE_UNQUOTED(POINTS2TRIANGS_PATH, ["$POINTS2TRIANGS"],
 440                                     [Path of points2triangs])
 441         fi
 442 fi
 443 AM_CONDITIONAL(HAVE_TOPCOM, test x$have_topcom = xtrue)
 444
 445 AX_SUBMODULE(cloog,no|build|bundled|system,bundled)
 446
 447 AC_SUBST(CLOOG_LDFLAGS)
 448 AC_SUBST(CLOOG_CFLAGS)
 449 AC_SUBST(CLOOG_LIBS)
 450 CLOOG_CFLAGS="-DCLOOG_INT_GMP=1"
 451 case "$with_cloog" in
 452 bundled)
 453         CLOOG_CFLAGS="$CLOOG_CFLAGS -I\$(top_srcdir)/cloog/include -I\$(top_builddir)/cloog/include"
 454         AC_DEFINE(HAVE_CLOOG,[],[use CLooG])
 455         ;;
 456 build)
 457         with_cloog_builddir=`echo @abs_builddir@ | $with_cloog_builddir/config.status --file=-`
 458         CLOOG_CFLAGS="$CLOOG_CFLAGS -I$cloog_srcdir/include -I$with_cloog_builddir/include"
 459         CLOOG_LIBS="$with_cloog_builddir/libcloog-isl.la"
 460         AC_DEFINE(HAVE_CLOOG,[],[use CLooG])
 461         ;;
 462 system)
 463         if test "x$with_cloog_prefix" != "x"; then
 464                 CLOOG_CFLAGS="$CLOOG_CFLAGS -I$with_cloog_prefix/include"
 465         fi
 466         if test "x$with_cloog_exec_prefix" != "x"; then
 467                 CLOOG_LDFLAGS="-L$with_cloog_exec_prefix/lib"
 468         fi
 469         CLOOG_LIBS="-lcloog-isl"
 470         AC_DEFINE(HAVE_CLOOG,[],[use CLooG])
 471 esac
 472 AM_CONDITIONAL(BUNDLED_CLOOG, test $with_cloog = bundled)
 473
 474 AC_SUBST(GIT_HEAD_ID)
 475 AC_SUBST(GIT_HEAD)
 476 AC_SUBST(GIT_HEAD_VERSION)
 477 if test -f $srcdir/.git/HEAD; then
 478     GIT_HEAD="$srcdir/.git/index"
 479     GIT_REPO="$srcdir/.git"
 480     GIT_HEAD_ID=`GIT_DIR=$GIT_REPO git describe`
 481 elif test -f $srcdir/GIT_HEAD_ID; then
 482     GIT_HEAD_ID=`cat $srcdir/GIT_HEAD_ID`
 483 else
 484     mysrcdir=`(cd $srcdir; pwd)`
 485     head=`basename $mysrcdir | sed -e 's/.*-//'`
 486     head2=`echo $head | sed -e 's/[^0-9a-f]//'`
 487     head3=`echo $head2 | sed -e 's/........................................//'`
 488     base=`basename $mysrcdir | sed -e 's/-.*//'`
 489     if test "x$head3" = "x" -a "x$head" = "x$head2"; then
 490         GIT_HEAD_ID="barvinok-$VERSION-$head
 491     elif test "x$base" = "xbarvinok-$VERSION" -a "x$head" != "x"; then
 492         GIT_HEAD_ID="barvinok-$VERSION-$head
 493     else
 494         GIT_HEAD_ID="UNKNOWN"
 495     fi
 496 fi
 497 if test -z "$GIT_REPO" ; then
 498     GIT_HEAD_VERSION="$GIT_HEAD_ID"
 499 else
 500     GIT_HEAD_VERSION="\`GIT_DIR=$GIT_REPO git describe\`"
 501 fi
 502 echo '#define GIT_HEAD_ID "'$GIT_HEAD_ID'"' > version.h
 503
 504 AC_LANG_PUSH(C++)
 505 AC_TRY_COMPILE([
 506                 #include <set>
 507                 void negate();
 508         ], [negate()],
 509         suffix="normal", suffix="broken")
 510 AC_CONFIG_COMMANDS([barvinok/set.h],
 511                    [cp $srcdir/barvinok/set.h.$suffix barvinok/set.h],
 512                    [suffix="$suffix"])
 513 AC_CONFIG_COMMANDS([barvinok/NTL.h],
 514                    [cp $srcdir/barvinok/NTL.h.$suffix barvinok/NTL.h],
 515                    [suffix="$suffix"])
 516 use_fdstream=false
 517 SAVE_CPPFLAGS="$CPPFLAGS"
 518 CPPFLAGS="-I$srcdir $CPPFLAGS"
 519 AC_TRY_COMPILE([#include "fdstream.h"],[],
 520         [AC_DEFINE(USE_FDSTREAM,[],[use fdstream])
 521         use_fdstream=true])
 522 CPPFLAGS="$SAVE_CPPFLAGS"
 523 AC_LANG_POP
 524 AM_CONDITIONAL(USE_FDSTREAM, [test "$use_fdstream" = true])
 525
 526 PACKAGE_CFLAGS="$PACKAGE_CFLAGS_ISL"
 527 PACKAGE_LIBS="-lbarvinok $EXTRA_PACKAGE_LIBS -lisl-polylib -lpolylibgmp -lisl"
 528 AX_CREATE_PKGCONFIG_INFO
 529
 530 AC_CONFIG_HEADERS(config.h)
 531 AC_CONFIG_FILES(Makefile zsolve/Makefile doc/Makefile)
 532 AC_CONFIG_FILES(parker/Makefile)
 533 if test $with_polylib = bundled; then
 534         AC_CONFIG_SUBDIRS(polylib)
 535 fi
 536 if test $with_isl = bundled; then
 537         AC_CONFIG_SUBDIRS(isl)
 538 fi
 539 if test $with_isl_polylib = bundled; then
 540         AC_CONFIG_SUBDIRS(isl-polylib)
 541 fi
 542 if test $with_cloog = bundled; then
 543         AC_CONFIG_SUBDIRS(cloog)
 544 fi
 545 if test $with_omega = bundled; then
 546         AC_CONFIG_SUBDIRS(omega)
 547 fi
 548 AC_CONFIG_COMMANDS_POST([
 549         dnl pass on arguments to subdir configures, but don't
 550         dnl add them to config.status
 551         ac_configure_args="$ac_configure_args $bv_configure_args"
 552 ])
 553 AC_OUTPUT