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