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Quelle configure.ac
Sprache: unbekannt
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dnl ##
dnl ## Process this file with autoconf to produce a configure script.
dnl ##
AC_PREREQ([2.68])
AC_INIT([ANU Nilpotent Quotient Program],
[package],
[https://github.com/gap-packages/nq/issues],
[nq],
[https://gap-packages.github.io/nq/])
AC_CONFIG_SRCDIR([src/nq.c])
AC_CONFIG_HEADERS(src/config.h:src/config.hin)
AC_CONFIG_AUX_DIR([cnf])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([1.11 -Wall foreign subdir-objects no-dist])
AM_SILENT_RULES([yes])
dnl For developer builds, maintainer mode is enabled by default. But for
dnl releases, the `.release` script changes this to "disabled by default".
dnl This avoids troubles during packaging, in particular when the GAP team
dnl repackages the source archive. Users can re-enable it by passing
dnl `--enable-maintainer-mode` to configure.
AM_MAINTAINER_MODE([disable])
dnl ##
dnl ## C is the language
dnl ##
AC_LANG([C])
dnl ##
dnl ## Checks for programs.
dnl ##
AC_PROG_AWK
AC_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_MKDIR_P
AC_PROG_SED
dnl ##
dnl ## Locate the GAP root dir
dnl ##
FIND_GAP
GAP="${GAP:-${GAPROOT}/bin/gap.sh}"
AC_SUBST(GAP)
# newer GAP versions may set GMP_PREFIX in sysinfo.gap, try to use that
GMP_PREFIX=${GMP_PREFIX:-yes}
dnl ##
dnl ## Check for GMP
dnl ##
AC_ARG_WITH([gmp],
[AS_HELP_STRING([--with-gmp@<:@=PREFIX@:>@],
[prefix of GMP installation. e.g. /usr/local])],
[],[with_gmp=${GMP_PREFIX}])
GMP_CPPFLAGS=""
GMP_LDFLAGS=""
GMP_LIBS="-lgmp"
if test "x$with_gmp" = "xno" ; then
AC_MSG_ERROR([GMP is required and cannot be disabled])
elif test "x$with_gmp" = "xyes" ; then
# If a gaproot was specified, try to find GMP in there; otherwise, fall
# back to whatever GMP may be found via user specified C/CPP/LDFLAGS
if test "${with_gaproot+set}" = set; then
echo "with_gaproot = $with_gaproot"
if test -f ${with_gaproot}/extern/install/gmp/include/gmp.h && test -d ${with_gaproot}/extern/install/gmp/lib ; then
echo "adjusting stuff based on gaproot"
GMP_CPPFLAGS="-I${with_gaproot}/extern/install/gmp/include"
GMP_LDFLAGS="-L${with_gaproot}/extern/install/gmp/lib"
fi
fi
else
if test -d ${with_gmp}/include && test -d ${with_gmp}/lib ; then
GMP_CPPFLAGS="-I${with_gmp}/include"
GMP_LDFLAGS="-L${with_gmp}/lib"
else
AC_MSG_ERROR([Could not locate libgmp.a in the specified location])
fi
fi;
save_CPPFLAGS="$CPPFLAGS"
save_LDFLAGS="$LDFLAGS"
save_LIBS="$LIBS"
CPPFLAGS="$CPPFLAGS $GMP_CPPFLAGS"
LDFLAGS="$LDFLAGS $GMP_LDFLAGS"
LIBS="$LIBS $GMP_LIBS"
AC_CHECK_HEADER( [gmp.h],
[
# TODO: Disable linker check for now: It causes problems on Linux, because
# libgmp.a is in the linker command line before the test C file. On the long
# run, this should be re-enabled, though perhaps in a different form.
AC_MSG_CHECKING([whether linking against GMP works])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[#include <gmp.h>]], [[__gmpz_init(0);]])],
[have_gmp=yes],
[]
)
AC_MSG_RESULT([$have_gmp])
],
[]
)
# restore FLAGS
CPPFLAGS="$save_CPPFLAGS"
LDFLAGS="$save_LDFLAGS"
LIBS="$save_LIBS"
if test "x$have_gmp" != xyes; then
AC_MSG_ERROR([Could not locate GMP, the GNU multiprecision library])
fi
AC_SUBST(GMP_CPPFLAGS)
AC_SUBST(GMP_LDFLAGS)
AC_SUBST(GMP_LIBS)
dnl ##
dnl ## Checks for typedefs, structures, and compiler characteristics.
dnl ##
AC_TYPE_LONG_LONG_INT
dnl ##
dnl ## Checks for library functions.
dnl ##
AC_CHECK_FUNCS([getrusage])
dnl ##
dnl ## Finally, generate the Makefiles and output everything
dnl ##
AC_CONFIG_FILES([Makefile examples/Makefile])
AC_OUTPUT
[ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet)
]
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2026-03-28
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