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# CVC4_CHECK_FOR_ABC
# ------------------
# Look for abc and link it in, but only if user requested.
AC_DEFUN([CVC4_CHECK_FOR_ABC], [
AC_MSG_CHECKING([whether user requested abc support])
LIBABC=
have_libabc=0
ABC_LIBS=
ABC_LDFLAGS=
if test "$with_abc" = no; then
AC_MSG_RESULT([no, abc disabled by user])
elif test -n "$with_abc"; then
AC_MSG_RESULT([yes, abc requested by user])
# Get the location of all the ABC stuff
AC_ARG_VAR(ABC_HOME, [path to top level of abc source tree])
AC_ARG_WITH(
[abc-dir],
AS_HELP_STRING(
[--with-abc-dir=PATH],
[path to top level of abc source tree]
),
[ABC_HOME="$withval"],
[ if test -z "$ABC_HOME" && ! test -e "$ac_abs_confdir/abc/alanmi-abc-53f39c11b58d/arch_flags"; then
AC_MSG_FAILURE([must give --with-abc-dir=PATH, define environment variable ABC_HOME, or use contrib/get-abc to setup ABC for CVC4!])
fi
]
)
# Check if ABC was installed via contrib/get-abc
AC_MSG_CHECKING([whether ABC was already installed via contrib/get-abc])
if test -z "$ABC_HOME" && test -e "$ac_abs_confdir/abc/alanmi-abc-53f39c11b58d/arch_flags"; then
ABC_HOME="$ac_abs_confdir/abc/alanmi-abc-53f39c11b58d"
AC_MSG_RESULT([yes, $ABC_HOME])
else
AC_MSG_RESULT([no])
fi
if ! test -d "$ABC_HOME" || ! test -x "$ABC_HOME/arch_flags"; then
AC_MSG_FAILURE([either $ABC_HOME is not an abc source tree or it's not yet built])
fi
AC_MSG_CHECKING([for arch_flags to use with libabc])
libabc_arch_flags="$("$ABC_HOME/arch_flags")"
AC_MSG_RESULT([$libabc_arch_flags])
CVC4CPPFLAGS="${CVC4CPPFLAGS:+$CVC4CPPFLAGS }-I$ABC_HOME/src $libabc_arch_flags"
ABC_LDFLAGS="-L$ABC_HOME"
dnl Try a bunch of combinations until something works :-/
cvc4_save_LDFLAGS="$LDFLAGS"
ABC_LIBS=
CPPFLAGS="$CPPFLAGS -I$ABC_HOME/src $libabc_arch_flags"
LDFLAGS="$LDFLAGS $ABC_LDFLAGS"
AC_CHECK_HEADER([base/abc/abc.h], [], [AC_MSG_FAILURE([cannot find abc.h, the ABC header!])])
AC_MSG_CHECKING([how to link abc])
CVC4_TRY_ABC_WITH([])
CVC4_TRY_ABC_WITH([-lm])
CVC4_TRY_ABC_WITH([-lm -lrt])
CVC4_TRY_ABC_WITH([-lm -lrt -ldl])
CVC4_TRY_ABC_WITH([-lm -lrt -lreadline -ldl])
CVC4_TRY_ABC_WITH([-lm -lpthread])
CVC4_TRY_ABC_WITH([-lm -lpthread -lrt])
CVC4_TRY_ABC_WITH([-lm -lpthread -lrt -ldl])
CVC4_TRY_ABC_WITH([-lm -lpthread -lrt -lreadline -ldl])
dnl CVC4_TRY_ABC_WITH([-lm -rdynamic -lreadline -lpthread -lrt -ldl])
if test -z "$ABC_LIBS"; then
AC_MSG_FAILURE([cannot link against libabc!])
else
AC_MSG_RESULT([$ABC_LIBS])
# make sure it works in static builds, too
if test "$enable_static_binary" = yes; then
ABC_LIBS=
AC_MSG_CHECKING([whether statically-linked abc is functional])
CVC4_TRY_STATIC_ABC_WITH([])
CVC4_TRY_STATIC_ABC_WITH([-lm])
CVC4_TRY_STATIC_ABC_WITH([-lm -lrt])
CVC4_TRY_STATIC_ABC_WITH([-lm -lrt -ldl])
CVC4_TRY_STATIC_ABC_WITH([-lm -lrt -lreadline -ldl])
CVC4_TRY_STATIC_ABC_WITH([-lm -lpthread])
CVC4_TRY_STATIC_ABC_WITH([-lm -lpthread -lrt])
CVC4_TRY_STATIC_ABC_WITH([-lm -lpthread -lrt -ldl])
CVC4_TRY_STATIC_ABC_WITH([-lm -lpthread -lrt -lreadline -ldl])
if test -n "$ABC_LIBS"; then
AC_MSG_RESULT([yes, it works])
with_abc=yes
else
AC_MSG_RESULT([no])
AC_MSG_FAILURE([abc installation appears incompatible with static-binary])
fi
else
with_abc=yes
fi
fi
if test "$with_abc" = yes; then
have_libabc=1
else
with_abc=no
have_libreadline=0
ABC_LIBS=
fi
LDFLAGS="$cvc4_save_LDFLAGS"
else
AC_MSG_RESULT([no, user didn't request abc])
with_abc=no
fi
])# CVC4_CHECK_FOR_ABC
# CVC4_TRY_ABC_WITH(LIBS)
# -----------------------
# Try AC_CHECK_LIB(abc) with the given linking libraries
AC_DEFUN([CVC4_TRY_ABC_WITH], [
if test -z "$ABC_LIBS"; then
AC_LANG_PUSH([C++])
cvc4_save_LIBS="$LIBS"
LIBS="-labc $1"
AC_LINK_IFELSE([AC_LANG_PROGRAM([extern "C" { void Abc_Start(); }],
[Abc_Start()])],
[ABC_LIBS="-labc $1"],
[])
LIBS="$cvc4_save_LIBS"
AC_LANG_POP([C++])
fi
])# CVC4_TRY_ABC_WITH
# CVC4_TRY_STATIC_ABC_WITH(LIBS)
# ------------------------------
# Try AC_CHECK_LIB(abc) with the given linking libraries
AC_DEFUN([CVC4_TRY_STATIC_ABC_WITH], [
if test -z "$ABC_LIBS"; then
AC_LANG_PUSH([C++])
cvc4_save_LIBS="$LIBS"
cvc4_save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
LIBS="-labc-static $1"
AC_LINK_IFELSE([AC_LANG_PROGRAM([extern "C" { void Abc_Start(); }],
[Abc_Start()])],
[ABC_LIBS="-labc-static $1"],
[ LIBS="-labc $1"
AC_LINK_IFELSE([AC_LANG_PROGRAM([extern "C" { void Abc_Start(); }],
[Abc_Start()])],
[ABC_LIBS="-labc $1"]) ])
LIBS="$cvc4_save_LIBS"
LDFLAGS="$cvc4_save_LDFLAGS"
AC_LANG_POP([C++])
fi
])# CVC4_TRY_STATIC_ABC_WITH
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