| 13 |
|
|
| 14 |
|
dnl Checks for programs. |
| 15 |
|
AC_PROG_CC |
| 16 |
– |
AC_PROG_CXX |
| 16 |
|
AC_PROG_CPP |
| 17 |
+ |
AC_PROG_CXX |
| 18 |
|
AC_PROG_MAKE_SET |
| 19 |
|
AC_PROG_INSTALL |
| 20 |
|
|
| 77 |
|
if [[ "x$ac_cv_func_sem_init" = "xno" ]]; then |
| 78 |
|
AC_CHECK_LIB(posix4, sem_init, HAVE_LIBPOSIX4=yes, HAVE_LIBPOSIX4=no) |
| 79 |
|
if [[ "x$HAVE_LIBPOSIX4" = "xno" ]]; then |
| 80 |
< |
dnl Checks for the existance of semget |
| 81 |
< |
AC_CHECK_FUNCS(semget) |
| 82 |
< |
if [[ "x$ac_cv_func_semget" = "xno" ]]; then |
| 83 |
< |
AC_MSG_ERROR([You need POSIX.4 semaphores to run Basilisk II.]) |
| 84 |
< |
else |
| 85 |
< |
SEMSRCS="posix_sem.cpp" |
| 86 |
< |
fi |
| 80 |
> |
dnl Emulate semaphores with pthread mutexes |
| 81 |
> |
SEMSRCS="posix_sem.cpp" |
| 82 |
|
else |
| 83 |
|
LIBS="$LIBS -lposix4" |
| 84 |
|
fi |
| 183 |
|
#endif |
| 184 |
|
], [AC_MSG_RESULT(yes); HAVE_I386=yes], AC_MSG_RESULT(no)) |
| 185 |
|
|
| 186 |
< |
dnl Check for GAS |
| 186 |
> |
dnl Check for GAS. |
| 187 |
|
HAVE_GAS=no |
| 188 |
|
AC_MSG_CHECKING(for GAS .p2align feature) |
| 189 |
|
cat >conftest.S << EOF |
| 193 |
|
if $CC conftest.S -c -o conftest.o >/dev/null 2>&1 ; then HAVE_GAS=yes; fi |
| 194 |
|
AC_MSG_RESULT($HAVE_GAS) |
| 195 |
|
|
| 196 |
< |
dnl Check for GCC 2.7 or higher |
| 196 |
> |
dnl Check for GCC 2.7 or higher. |
| 197 |
|
HAVE_GCC27=no |
| 198 |
|
AC_MSG_CHECKING(for GCC 2.7 or higher) |
| 199 |
|
AC_EGREP_CPP(yes, |
| 202 |
|
#endif |
| 203 |
|
], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no)) |
| 204 |
|
|
| 205 |
< |
dnl Set "-fomit-frame-pointer" on GCC |
| 205 |
> |
dnl Set "-fomit-frame-pointer" on GCC. |
| 206 |
|
if [[ "x$HAVE_GCC27" = "xyes" ]]; then |
| 207 |
|
CFLAGS="$CFLAGS -fomit-frame-pointer" |
| 208 |
|
CXXFLAGS="$CXXFLAGS -fomit-frame-pointer" |
| 209 |
|
fi |
| 210 |
|
|
| 211 |
< |
dnl Select appropriate CPU source and REGPARAM define |
| 211 |
> |
dnl Select appropriate CPU source and REGPARAM define. |
| 212 |
|
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_I386" = "xyes" ]]; then |
| 213 |
|
DEFINES="$DEFINES -DREGPARAM=\"__attribute__((regparm(3)))\"" |
| 214 |
|
if [[ "x$HAVE_GAS" = "xyes" ]]; then |
| 221 |
|
CPUSRCS="$CPUSRCS cpuemu.cpp" |
| 222 |
|
fi |
| 223 |
|
|
| 224 |
< |
dnl Generate Makefile |
| 224 |
> |
dnl Generate Makefile. |
| 225 |
|
AC_SUBST(DEFINES) |
| 226 |
|
AC_SUBST(STATICLIBS) |
| 227 |
|
AC_SUBST(SYSSRCS) |
