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dnl Process this file with autoconf to produce a configure script. |
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dnl Written in 2002 by Christian Bauer |
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|
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< |
AC_INIT([SheepShaver], 2.2, [Christian.Bauer@uni-mainz.de], SheepShaver) |
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> |
AC_INIT([SheepShaver], 2.3, [Christian.Bauer@uni-mainz.de], SheepShaver) |
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AC_CONFIG_SRCDIR(main_unix.cpp) |
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AC_PREREQ(2.52) |
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AC_CONFIG_HEADER(config.h) |
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|
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dnl Checks for libraries. |
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AC_CHECK_LIB(posix4, sem_init) |
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+ |
AC_CHECK_LIB(m, cos) |
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|
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dnl Do we need SDL? |
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WANT_SDL=no |
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) |
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dnl (end of code from openssh-3.2.2p1 configure.ac) |
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|
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+ |
dnl Check for systems where POSIX-style non-blocking I/O (O_NONBLOCK) |
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dnl doesn't work or is unimplemented. On these systems (mostly older |
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dnl ones), use the old BSD-style FIONBIO approach instead. [tcl.m4] |
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+ |
AC_CACHE_CHECK([FIONBIO vs. O_NONBLOCK for non-blocking I/O], |
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ac_cv_nonblocking_io, [ |
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case "$host" in |
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*-*-osf*) |
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ac_cv_nonblocking_io=FIONBIO |
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+ |
;; |
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*-*-sunos4*) |
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ac_cv_nonblocking_io=FIONBIO |
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;; |
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*-*-ultrix*) |
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ac_cv_nonblocking_io=FIONBIO |
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;; |
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*) |
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ac_cv_nonblocking_io=O_NONBLOCK |
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;; |
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esac |
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]) |
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if [[ "$ac_cv_nonblocking_io" = "FIONBIO" ]]; then |
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AC_DEFINE(USE_FIONBIO, 1, [Define if BSD-style non-blocking I/O is to be used]) |
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fi |
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+ |
|
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dnl AC_CHECK_FRAMEWORK($1=NAME, $2=INCLUDES) |
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AC_DEFUN(AC_CHECK_FRAMEWORK, [ |
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AS_VAR_PUSHDEF([ac_Framework], [ac_cv_framework_$1])dnl |
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saved_LIBS="$LIBS" |
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LIBS="$LIBS -framework $1" |
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AC_TRY_LINK( |
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< |
[$2], [int main(void) { return 0; }], |
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> |
[$2], [], |
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[AS_VAR_SET(ac_Framework, yes)], [AS_VAR_SET(ac_Framework, no); LIBS="$saved_LIBS"] |
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) |
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]) |
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EXTFSSRC=../MacOSX/extfs_macosx.mm |
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fi |
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;; |
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irix*) |
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ETHERSRC=ether_unix.cpp |
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AUDIOSRC=Irix/audio_irix.cpp |
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LIBS="$LIBS -laudio" |
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WANT_ESD=no |
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|
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dnl Check if our compiler supports -IPA (MIPSPro) |
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HAVE_IPA=no |
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ocflags="$CFLAGS" |
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CFLAGS=`echo " $CFLAGS -IPA" | sed -e "s/ -g //g"` |
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AC_MSG_CHECKING(if "-IPA" works) |
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dnl Do a test compile of an empty function |
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AC_TRY_COMPILE([#if defined __GNUC__ |
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# error GCC does not support IPA yet |
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#endif],, [AC_MSG_RESULT(yes); HAVE_IPA=yes], AC_MSG_RESULT(no)) |
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CFLAGS="$ocflags" |
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;; |
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esac |
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|
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dnl Is the slirp library supported? |
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AC_MSG_CHECKING(for GCC 2.7 or higher) |
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5) |
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# error gcc < 2.7 |
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typedef syntax error; |
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#endif |
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]])], |
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[AC_MSG_RESULT(yes); HAVE_GCC27=yes], |
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AC_MSG_CHECKING(for GCC 3.0 or higher) |
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3) |
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# error gcc < 3 |
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typedef syntax error; |
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#endif |
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]])], |
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[AC_MSG_RESULT(yes); HAVE_GCC30=yes], |
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CFLAGS="$SAVED_CFLAGS" |
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fi |
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|
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< |
dnl Add -mdynamic-no-pic for MacOS X |
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< |
if [[ "x$HAVE_GCC30" = "xyes" ]]; then |
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> |
dnl Add -mdynamic-no-pic for MacOS X (XXX icc10 will support MacOS X) |
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> |
if [[ "x$HAVE_GCC30" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then |
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SAVED_CFLAGS="$CFLAGS" |
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CFLAGS="$CFLAGS -mdynamic-no-pic" |
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AC_CACHE_CHECK([whether the compiler supports -mdynamic-no-pic], |
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i?86:elf) |
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ac_cv_use_dyngen=yes |
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;; |
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mips:elf) |
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ac_cv_use_dyngen=yes |
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;; |
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powerpc:mach) |
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ac_cv_use_dyngen=yes |
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;; |
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i?86:mach) |
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ac_cv_use_dyngen=yes |
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;; |
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*:*) |
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ac_cv_use_dyngen=no |
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;; |
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if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then |
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DYNGEN_CC=$CXX |
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else |
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< |
for p in /usr/bin /usr/local/bin; do |
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> |
for p in /usr/bin /usr/local/bin /usr/freeware/bin; do |
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gxx="$p/g++" |
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if [[ -x "$gxx" ]]; then |
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DYNGEN_CC="$gxx" |
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if [[ "x$ac_cv_use_dyngen" = "xyes" ]]; then |
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case $host_cpu in |
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i?86) |
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< |
DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2" |
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> |
DYNGEN_OP_FLAGS="-fomit-frame-pointer" |
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> |
;; |
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> |
mips) |
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> |
DYNGEN_OP_FLAGS="-fno-delayed-branch -mno-abicalls" |
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;; |
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powerpc) |
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if [[ "x$ac_cv_object_format" = "xmach" ]]; then |
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fi |
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;; |
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esac |
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< |
if [[ "x$HAVE_GCC30" = "xyes" ]]; then |
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> |
have_dyngen_gcc3=no |
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> |
case "x`$DYNGEN_CC -dumpversion`" in |
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> |
x[12].*) ;; |
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> |
x*) have_dyngen_gcc3=yes ;; |
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> |
esac |
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> |
if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then |
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DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0" |
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else |
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DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0" |
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fi |
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< |
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -fno-exceptions -g0" |
| 1377 |
< |
if [[ "x$HAVE_GCC30" = "xyes" ]]; then |
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> |
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0" |
| 1377 |
> |
if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then |
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DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls" |
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fi |
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+ |
if [[ "x$DYNGEN_CC" != "x$CXX" ]]; then |
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DYNGEN_CFLAGS="-O2 $CFLAGS" |
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DYNGEN_CXXFLAGS="-O2 $CXXFLAGS" |
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else |
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DYNGEN_CFLAGS="\$(CFLAGS)" |
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DYNGEN_CXXFLAGS="\$(CXXFLAGS)" |
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fi |
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else |
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WANT_JIT=no |
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fi |
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CPPFLAGS="$CPPFLAGS -DUSE_JIT" |
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fi |
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|
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+ |
dnl Higher level optimizations with MIPSPro compilers are possible |
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if [[ "x$HAVE_IPA" = "xyes" ]]; then |
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CFLAGS="`echo $CFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA" |
| 1438 |
+ |
CXXFLAGS="`echo $CXXFLAGS | sed -e 's/-g//g'` -O3 -OPT:Olimit=0 -IPA" |
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+ |
CXXFLAGS="-LANG:std $CXXFLAGS" |
| 1440 |
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LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA" |
| 1441 |
+ |
fi |
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+ |
|
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dnl Generate Makefile. |
| 1444 |
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AC_SUBST(PERL) |
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AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen]) |
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AC_SUBST(DYNGENSRCS) |
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AC_SUBST(DYNGEN_CC) |
| 1448 |
+ |
AC_SUBST(DYNGEN_CFLAGS) |
| 1449 |
+ |
AC_SUBST(DYNGEN_CXXFLAGS) |
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AC_SUBST(DYNGEN_OP_FLAGS) |
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AC_SUBST(SYSSRCS) |
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AC_SUBST(CPUSRCS) |
