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https://github.com/kanjitalk755/macemu.git
synced 2024-11-22 13:31:08 +00:00
Added environment variable overrides for cross-compile defaults using AC_ARG_VAR.
This lets you setup an environment to cross-compile, with extended support for how things will behave. This should let the build play nicely with bitbake, without changing the --flags, and without breaking existing behaviors.
This commit is contained in:
bvarner
parent
1eae4613c6
commit
02ec5fc7d4
@ -41,9 +41,6 @@ dnl JIT compiler options.
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AC_ARG_ENABLE(jit-compiler, [ --enable-jit-compiler enable JIT compiler [default=no]], [WANT_JIT=$enableval], [WANT_JIT=no])
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AC_ARG_ENABLE(jit-debug, [ --enable-jit-debug activate native code disassemblers [default=no]], [WANT_JIT_DEBUG=$enableval], [WANT_JIT_DEBUG=no])
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dnl CrossCompile default overrides.
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AC_ARG_ENABLE(cross-exsig, [ --enable-cross-exsig Force the use of extended signal handlers when crosscompiling [default=no]], [WANT_CC_EX_SIG=$enableval], [WANT_CC_EX_SIG=no])
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dnl FPU emulation core.
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AC_ARG_ENABLE(fpe,
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[ --enable-fpe=FPE specify which fpu emulator to use [default=auto]],
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@ -92,6 +89,83 @@ AC_ARG_WITH(libvhd,
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AS_HELP_STRING([--with-libvhd], [Enable VHD disk images]))
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dnl Cross Compiling results in 'guesses' being made about the target system. These defaults are oftetimes incorrect.
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dnl The following Environment variables allow you to configure the default guess value for each option in the configure script.
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AC_ARG_VAR(BII_CROSS_SOCKLEN_T, [ Whether sys/socket.h defines type socklen_t. [default=guessing no]])
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if [[ "x$BII_CROSS_SOCKLEN_T" = "x" ]]; then
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BII_CROSS_SOCKLEN_T="guessing no"
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fi
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AC_ARG_VAR(BII_CROSS_BYTE_BITFIELDS, [ Whether non-GCC compilers support byte bit-fields. [default=guessing no]])
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if [[ "x$BII_CROSS_BYTE_BITFIELDS" = "x" ]]; then
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BII_CROSS_BYTE_BITFIELDS="guessing no"
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fi
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AC_ARG_VAR(BII_CROSS_VM_PROTECT, [ Whether vm_protect works on the target system [default=guessing no]])
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if [[ "x$BII_CROSS_VM_PROTECT" = "x" ]]; then
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BII_CROSS_VM_PROTECT="guessing no"
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fi
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AC_ARG_VAR(BII_CROSS_MMAP_ANON, [ Whether anonymous mmap() works on the target system [default=guessing no]])
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if [[ "x$BII_CROSS_MMAP_ANON" = "x" ]]; then
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BII_CROSS_MMAP_ANON="guessing no"
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fi
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AC_ARG_VAR(BII_CROSS_MMAP_SUPPORTS_MAP_ANONYMOUS, [ Whether <sys/mman.h> defines MAP_ANON and mmap()'ing with MAP_ANON works on the target system [default=guessing no]])
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if [[ "x$BII_CROSS_MMAP_SUPPORTS_MAP_ANONYMOUS" = "x" ]]; then
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BII_CROSS_MMAP_SUPPORTS_MAP_ANONYMOUS="guessing no"
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fi
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AC_ARG_VAR(BII_CROSS_MPROTECT_WORKS, [ Whether mprotect works on the target system [default=guessing no]])
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if [[ "x$BII_CROSS_MPROTECT_WORKS" = "x" ]]; then
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BII_CROSS_MPROTECT_WORKS="guessing no"
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fi
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AC_ARG_VAR(BII_CROSS_MAP_LOW_AREA, [ Whether the target system can map 0x2000 bytes from 0x0000 [default=guessing no]])
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if [[ "x$BII_CROSS_MAP_LOW_AREA" = "x" ]]; then
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BII_CROSS_MAP_LOW_AREA="guessing no"
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fi
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AC_ARG_VAR(BII_CROSS_SIGNAL_NEED_REINSTALL, [ Whether the target system needs signal handlers to be reinstalled [default=guessing yes]])
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if [[ "x$BII_CROSS_SIGNAL_NEED_REINSTALL" = "x" ]]; then
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BII_CROSS_SIGNAL_NEED_REINSTALL="guessing yes"
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fi
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AC_ARG_VAR(BII_CROSS_SIGACTION_NEED_REINSTALL, [ Whether the target system needs signal action handlers to be reinstalled [default=guessing yes]])
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if [[ "x$BII_CROSS_SIGACTION_NEED_REINSTALL" = "x" ]]; then
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BII_CROSS_SIGACTION_NEED_REINSTALL="guessing yes"
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fi
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AC_ARG_VAR(BII_CROSS_HAVE_MACH_EXCEPTIONS, [ Whether the target system has mach exceptions [default=no]])
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if [[ "x$BII_CROSS_HAVE_MACH_EXCEPTIONS" = "x" ]]; then
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BII_CROSS_HAVE_MACH_EXCEPTIONS="no"
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fi
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AC_ARG_VAR(BII_CROSS_HAVE_WIN32_EXCEPTIONS, [ Whether the target system has win32 exceptions [default=no]])
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if [[ "x$BII_CROSS_HAVE_WIN32_EXCEPTIONS" = "x" ]]; then
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BII_CROSS_HAVE_WIN32_EXCEPTIONS="no"
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fi
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AC_ARG_VAR(BII_CROSS_HAVE_ASM_EXTENDED_SIGNALS, [ Whether the target system has extended signals supported with <asm/ucontext.h> [default=no]])
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if [[ "x$BII_CROSS_HAVE_ASM_EXTENDED_SIGNALS" = "x" ]]; then
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BII_CROSS_HAVE_ASM_EXTENDED_SIGNALS="no"
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fi
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AC_ARG_VAR(BII_CROSS_EXTENDED_SIGNALS, [ Whether the target system supports extended signal handlers [default=no]])
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if [[ "x$BII_CROSS_HAVE_EXTENDED_SIGNALS" = "x" ]]; then
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BII_CROSS_HAVE_EXTENDED_SIGNALS="no"
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fi
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AC_ARG_VAR(BII_CROSS_HAVE_SIGCONTEXT_SUBTERFUGE, [ Whether there is a sigcontext subterfuge for the target system [default=no]])
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if [[ "x$BII_CROSS_HAVE_SIGCONTEXT_SUBTERFUGE" = "x" ]]; then
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BII_CROSS_HAVE_SIGCONTEXT_SUBTERFUGE="no"
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fi
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AC_ARG_VAR(BII_CROSS_SIGSEGV_SKIP_INSTRUCTION, [ Whether the target system can skip instruction in SIGSEGV handler [default=no]])
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if [[ "x$BII_CROSS_SIGSEGV_SKIP_INSTRUCTION" = "x" ]]; then
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BII_CROSS_SIGSEGV_SKIP_INSTRUCTION="no"
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fi
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dnl Canonical system information.
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AC_CANONICAL_HOST
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AC_CANONICAL_TARGET
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@ -450,7 +524,7 @@ AC_CACHE_CHECK([for socklen_t],
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], [socklen_t len = 42; return 0;],
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ac_cv_type_socklen_t=yes, ac_cv_type_socklen_t=no,
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dnl When cross-compiling, do not assume anything.
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ac_cv_type_socklen_t="guessing no"
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ac_cv_type_socklen_t="$BII_CROSS_SOCKLEN_T"
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)
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])
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if [[ "x$ac_cv_type_socklen_t" != "xyes" ]]; then
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@ -580,7 +654,7 @@ AC_CACHE_CHECK([whether compiler supports byte bit-fields],
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[if [[ "$GCC" = "yes" ]]; then
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ac_cv_have_byte_bitfields="guessing yes"
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else
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ac_cv_have_byte_bitfields="guessing no"
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ac_cv_have_byte_bitfields="$BII_CROSS_BYTE_BITFIELDS"
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fi]
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)
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AC_LANG_RESTORE
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@ -864,7 +938,7 @@ AC_CACHE_CHECK([whether vm_protect works],
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#include "../CrossPlatform/vm_alloc.cpp"
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], ac_cv_vm_protect_works=no, rm -f core,
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dnl When cross-compiling, do not assume anything
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ac_cv_vm_protect_works="guessing no"
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ac_cv_vm_protect_works="$BII_CROSS_VM_PROTECT"
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)
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done
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AC_TRY_RUN([
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@ -873,7 +947,7 @@ AC_CACHE_CHECK([whether vm_protect works],
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#include "../CrossPlatform/vm_alloc.cpp"
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], , ac_cv_vm_protect_works=no,
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dnl When cross-compiling, do not assume anything
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ac_cv_vm_protect_works="guessing no"
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ac_cv_vm_protect_works="$BII_CROSS_VM_PROTECT"
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)
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AC_LANG_RESTORE
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]
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@ -918,7 +992,7 @@ AC_CACHE_CHECK([whether mmap supports MAP_ANON],
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#include "../CrossPlatform/vm_alloc.cpp"
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], ac_cv_mmap_anon=yes, ac_cv_mmap_anon=no,
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dnl When cross-compiling, do not assume anything.
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ac_cv_mmap_anon="guessing no"
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ac_cv_mmap_anon="$BII_CROSS_MMAP_ANON"
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)
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AC_LANG_RESTORE
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]
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@ -937,7 +1011,7 @@ AC_CACHE_CHECK([whether mmap supports MAP_ANONYMOUS],
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#include "../CrossPlatform/vm_alloc.cpp"
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], ac_cv_mmap_anonymous=yes, ac_cv_mmap_anonymous=no,
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dnl When cross-compiling, do not assume anything.
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ac_cv_mmap_anonymous="guessing no"
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ac_cv_mmap_anonymous="$BII_CROSS_MMAP_SUPPORTS_MAP_ANONYMOUS"
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)
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AC_LANG_RESTORE
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]
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@ -958,7 +1032,7 @@ AC_CACHE_CHECK([whether mprotect works],
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#include "../CrossPlatform/vm_alloc.cpp"
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], ac_cv_mprotect_works=no, rm -f core,
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dnl When cross-compiling, do not assume anything
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ac_cv_mprotect_works="guessing no"
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ac_cv_mprotect_works="$BII_CROSS_MPROTECT_WORKS"
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)
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done
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AC_TRY_RUN([
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@ -967,7 +1041,7 @@ AC_CACHE_CHECK([whether mprotect works],
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#include "../CrossPlatform/vm_alloc.cpp"
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], , ac_cv_mprotect_works=no,
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dnl When cross-compiling, do not assume anything
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ac_cv_mprotect_works="guessing no"
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ac_cv_mprotect_works="$BII_CROSS_MPROTECT_WORKS"
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)
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AC_LANG_RESTORE
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]
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@ -1015,7 +1089,7 @@ AC_CACHE_CHECK([whether we can map Low Memory area 0x0000-0x2000],
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}
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], ac_cv_can_map_lm=yes, ac_cv_can_map_lm=no,
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dnl When cross-compiling, do not assume anything.
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ac_cv_can_map_lm="guessing no"
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ac_cv_can_map_lm="$BII_CROSS_MAP_LOW_AREA"
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)
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AC_LANG_RESTORE
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]
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@ -1040,7 +1114,7 @@ AC_CACHE_CHECK([whether signal handlers need to be reinstalled],
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}
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], ac_cv_signal_need_reinstall=yes, ac_cv_signal_need_reinstall=no,
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dnl When cross-compiling, do not assume anything.
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ac_cv_signal_need_reinstall="guessing yes"
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ac_cv_signal_need_reinstall="$BII_CROSS_SIGNAL_NEED_REINSTALL"
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)
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AC_LANG_RESTORE
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]
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@ -1074,7 +1148,7 @@ AC_CACHE_CHECK([whether sigaction handlers need to be reinstalled],
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}
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], ac_cv_sigaction_need_reinstall=yes, ac_cv_sigaction_need_reinstall=no,
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dnl When cross-compiling, do not assume anything.
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ac_cv_sigaction_need_reinstall="guessing yes"
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ac_cv_sigaction_need_reinstall="$BII_CROSS_SIGACTION_NEED_REINSTALL"
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)
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AC_LANG_RESTORE
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]
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@ -1101,7 +1175,7 @@ AC_CACHE_CHECK([whether your system supports Mach exceptions],
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],
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ac_cv_have_mach_exceptions=no,
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dnl When cross-compiling, do not assume anything.
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ac_cv_have_mach_exceptions=no
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ac_cv_have_mach_exceptions="$BII_CROSS_HAVE_MACH_EXCEPTIONS"
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)
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AC_LANG_RESTORE
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]
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@ -1125,7 +1199,7 @@ AC_CACHE_CHECK([whether your system supports Windows exceptions],
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],
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ac_cv_have_win32_exceptions=no,
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dnl When cross-compiling, do not assume anything.
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ac_cv_have_win32_exceptions=no
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ac_cv_have_win32_exceptions="$BII_CROSS_HAVE_WIN32_EXCEPTIONS"
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)
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AC_LANG_RESTORE
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]
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@ -1155,7 +1229,7 @@ if [[ -z "$sigsegv_recovery" ]]; then
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ac_cv_have_asm_extended_signals=no,
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dnl When cross-compiling, do not assume anything.
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dnl Assume no when cross-compiling. If there's ASM support for the target, this should probably be enabled...
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ac_cv_have_asm_extended_signals=no
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ac_cv_have_asm_extended_signals="$BII_CROSS_HAVE_ASM_EXTENDED_SIGNALS"
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)
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AC_LANG_RESTORE
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]
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@ -1184,14 +1258,8 @@ if [[ -z "$sigsegv_recovery" ]]; then
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ac_cv_have_extended_signals=yes
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],
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ac_cv_have_extended_signals=no,
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[
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dnl When cross-compiling, default to the value of WANT_CC_EX_SIG [default = no]
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ac_cv_have_extended_signals=$WANT_CC_EX_SIG
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dnl If we just forced this yes for a cross build, set siginfo.
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if [[ "x$ac_cv_have_extended_signals" = "xyes" ]]; then
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sigsegv_recovery=siginfo
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fi
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]
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dnl When cross-compiling, do not assume anything.
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ac_cv_have_extended_signals="$BII_CROSS_HAVE_EXTENDED_SIGNALS"
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)
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AC_LANG_RESTORE
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]
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@ -1217,7 +1285,7 @@ if [[ -z "$sigsegv_recovery" ]]; then
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],
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ac_cv_have_sigcontext_hack=no,
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dnl When cross-compiling, do not assume anything.
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ac_cv_have_sigcontext_hack=no
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ac_cv_have_sigcontext_hack="$BII_CROSS_HAVE_SIGCONTEXT_SUBTERFUGE"
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)
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AC_LANG_RESTORE
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])
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@ -1237,7 +1305,7 @@ AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler],
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#include "../CrossPlatform/sigsegv.cpp"
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], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no,
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dnl When cross-compiling, do not assume anything.
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ac_cv_have_skip_instruction=no
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ac_cv_have_skip_instruction="$BII_CROSS_SIGSEGV_SKIP_INSTRUCTION"
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)
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AC_LANG_RESTORE
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]
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