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86Box/src/resid-fp/configure.in

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dnl Process this file with autoconf to produce a configure script.
AC_INIT(sid.h)
dnl Use Automake
AM_INIT_AUTOMAKE(resid, 0.16vice)
LTVERSION=5:0:0
dnl Use C++ for tests.
AC_LANG_CPLUSPLUS
dnl Enable inlining.
AC_ARG_ENABLE(inline,
[ --enable-inline enable inlining of functions [default=yes]])
AC_ARG_ENABLE(sse,
[ --enable-sse enable the use of SSE [default=yes]])
if test "$enable_inline" != no; then
RESID_INLINE=inline
else
RESID_INLINE=
fi
AC_SUBST(RESID_INLINE)
dnl Checks for programs.
AC_PROG_CXX
dnl Set CXXFLAGS for g++. Use -msse if supported.
if test x"$enable_sse" != "xno"; then
if test "$GXX" = yes; then
if test "$ac_test_CXXFLAGS" != set; then
CXXFLAGS="-g -Wall -O2 -msse"
AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works])
AC_TRY_COMPILE([],
[int test;],
[ AC_MSG_RESULT(yes)
MSSE="-msse"
],
[ AC_MSG_RESULT(no)
MSSE=""
])
fi
fi
else
MSSE=""
fi
dnl Set CXXFLAGS for g++. Use -fno-exceptions if supported.
if test "$GXX" = yes; then
if test "$ac_test_CXXFLAGS" != set; then
CXXFLAGS="-g -Wall -O2 $MSSE -fno-exceptions"
AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works])
AC_TRY_COMPILE([],
[int test;],
[ AC_MSG_RESULT(yes)
NO_EXCEPTIONS="-fno-exceptions" ],
[ AC_MSG_RESULT(no)
NO_EXCEPTIONS=""
])
fi
fi
dnl Set CXXFLAGS for g++. Use -fno-pic if supported.
if test "$GXX" = yes; then
if test "$ac_test_CXXFLAGS" != set; then
CXXFLAGS="-g -Wall -O2 $MSSE -fno-exceptions $NO_EXCEPTIONS -fno-pic"
AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works])
AC_TRY_COMPILE([],
[int test;],
[ AC_MSG_RESULT(yes)
NO_PIC="-fno-pic" ],
[ AC_MSG_RESULT(no)
NO_PIC=""
])
fi
fi
CXXFLAGS="-g -Wall -O2 $MSSE $NO_EXCEPTIONS $NO_PIC"
if test x"$MSSE" = "x-msse"; then
AC_MSG_CHECKING([if the xmmintrin.h include can be used])
AC_TRY_COMPILE([#include <xmmintrin.h>],
[int test;],
[ AC_MSG_RESULT(yes)
],
[ AC_MSG_RESULT(no)
MSSE=""
])
CXXFLAGS="-g -Wall -O2 $NO_EXCEPTIONS $NO_PIC"
fi
AC_CHECK_PROG(AR, ar, ar, ar)
AC_PROG_RANLIB
AC_PATH_PROG(PERL, perl)
dnl Libtool
dnl AC_DISABLE_SHARED
dnl AM_PROG_LIBTOOL
dnl AC_SUBST(LIBTOOL_DEPS)
dnl AC_SUBST(LTVERSION)
dnl Checks for libraries.
dnl Checks for header files.
dnl Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_SIZEOF(int, 4)
if test $ac_cv_sizeof_int -lt 4; then
AC_MSG_ERROR([only 32 bit or better CPUs are supported])
fi
AC_CACHE_CHECK([for working bool], ac_cv_cxx_bool,
[AC_TRY_COMPILE(,
[
bool flag;
],
ac_cv_cxx_bool=yes, ac_cv_cxx_bool=no)])
if test $ac_cv_cxx_bool = no; then
RESID_HAVE_BOOL=0
else
RESID_HAVE_BOOL=1
fi
if test x"$MSSE" = "x-msse"; then
RESID_USE_SSE=1
AM_CONDITIONAL(USE_SSE, true)
else
RESID_USE_SSE=0
AM_CONDITIONAL(USE_SSE, false)
fi
AC_SUBST(RESID_HAVE_BOOL)
AC_SUBST(RESID_USE_SSE)
dnl Checks for library functions.
AC_CHECK_FUNCS(logf expf)
AC_MSG_CHECKING([if the logf prototype is present])
AC_TRY_COMPILE([#include <math.h>
#include <stdio.h>],
[printf("%d",logf);],
[ AC_MSG_RESULT(yes)
HAVE_LOGF_PROTOTYPE=1
],
[ AC_MSG_RESULT(no)
HAVE_LOGF_PROTOTYPE=0
])
AC_MSG_CHECKING([if the expf prototype is present])
AC_TRY_COMPILE([#include <math.h>
#include <stdio.h>],
[printf("%d",expf);],
[ AC_MSG_RESULT(yes)
HAVE_EXPF_PROTOTYPE=1
],
[ AC_MSG_RESULT(no)
HAVE_EXPF_PROTOTYPE=0
])
AC_SUBST(HAVE_LOGF_PROTOTYPE)
AC_SUBST(HAVE_EXPF_PROTOTYPE)
AC_OUTPUT(Makefile siddefs-fp.h)