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AC_INIT(cryptominisat, 2.9.2)
AC_PREREQ([2.62])
dnl use libtool
AC_PROG_LIBTOOL
dnl we are C++
AC_LANG_CPLUSPLUS
if test -n "${CXXFLAGS}"; then
user_set_cxxflags=yes
fi
AC_PROG_CXX
if test X$user_set_cxxflags != Xyes; then
CXXFLAGS="-g -O3 -Wall -pedantic -Werror"
fi
AC_LANG(C++)
AC_CACHE_CHECK([for gcc bug number 47365],
fpre_cv_bug,
[
AC_TRY_RUN([
extern "C" {
#include <assert.h>
#include <stdint.h>
#include <stdio.h>
}
#include <vector>
class Lit {
public:
uint32_t x;
Lit()
{
}
explicit Lit(uint32_t x):
x(x)
{
}
Lit(int var, bool sign):
x(var + var + (int) sign)
{
}
int var() const
{
return x & 1;
}
bool sign() const
{
return x >> 1;
}
Lit operator~() const
{
return Lit(x ^ 1);
}
bool operator==(const Lit &p) const
{
return x == p.x;
}
};
class Clause {
public:
Lit data[2];
Clause(std::vector<Lit> &ps)
{
data[0] = ps[0];
data[1] = ps[1];
}
Lit& operator [] (uint32_t i)
{
return data[i];
}
};
static std::vector<bool> assigns(2);
inline int prop(Clause &c, const Lit p)
{
if (c[0] == ~p) {
Lit t = c[0];
c[0] = c[1];
c[1] = t;
}
assert(c[1] == ~p);
if (assigns[c[0].var()] ^ c[0].sign()) {
return 0;
} else {
return 1;
}
}
int main(int argc, char** argv)
{
std::vector<Lit> c1;
c1.push_back(Lit(0, false));
c1.push_back(Lit(1, true));
Clause *cl = new Clause(c1);
assigns[1] = false;
return prop(*cl, Lit(0, true));
}
],[fpre_cv_bug=no], [fpre_cv_bug=yes],[fpre_cv_bug=cross])
])
if test "x$fpre_cv_bug" = "xno" ; then
AC_MSG_RESULT([Your gcc version doesn't _seem_ broken])
else
AC_MSG_RESULT([Your gcc may be broken. Disabling -ftree-pre, but this may slow down CryptoMS])
CXXFLAGS="$CXXFLAGS -fno-tree-pre"
fi
# Enable static linking
AC_MSG_CHECKING([static linking])
AC_ARG_ENABLE(static-link,
[AC_HELP_STRING([--enable-static-link],
[Enable static linking \
(off by default)])],
use_static="yes"
AC_MSG_RESULT([yes]),
use_static="no"
AC_MSG_RESULT([no]))
dnl AC_CONFIG_AUX_DIR([m4-extra])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE
AC_CONFIG_HEADERS(config.h)
AC_CHECK_HEADERS(iostream)
# checks for compiler characteristics
AC_CHECK_SIZEOF([int])
AC_CHECK_SIZEOF([long])
AC_CHECK_SIZEOF([size_t])
# checks for library functions
#AC_FUNC_MALLOC
#AC_FUNC_MEMCMP
#gauss generation needed
AH_TEMPLATE([USE_GAUSS],[Enable gaussian elimination code])
AC_DEFINE([USE_GAUSS])
#search for openmp
AC_OPENMP
#check zlib
AC_CHECK_LIB([z], [gzread], ,
[AC_MSG_ERROR([zlib not found, see http://www.zlib.net])])
if test "$use_static" = "yes"; then
LDFLAGS="$LDFLAGS -all-static"
fi
AC_OUTPUT(Makefile Solver/Makefile mtl/Makefile MTRand/Makefile man/Makefile)
|
