Add configure support for Google Native Client (NACL).

diff --git a/configure.in b/configure.in
index e02a12bd944fd843125eccb5d1b48038238f8d8f..9fb356023065d56c59605a07bc8eedfacb72cc5e 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -182,6 +182,19 @@ case "$host" in
                AOT_SUPPORTED="yes"
                use_sigposix=yes
                ;;
+       *-*-nacl*)
+               host_win32=no
+               CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
+               if test "x$disable_munmap" != "xyes"; then
+                       CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
+               fi
+               libmono_cflags="-D_REENTRANT"
+               libdl=
+               libgc_threads=pthreads
+               AOT_SUPPORTED="yes"
+               gc_default=boehm
+               use_sigposix=yes
+               ;;
        *-*-hpux*)
                host_win32=no
                CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
@@ -2000,6 +2013,22 @@ fi
 AM_CONDITIONAL(ENABLE_DTRACE, [test x$enable_dtrace = xyes])
 AM_CONDITIONAL(DTRACE_G_REQUIRED, [test x$dtrace_g = xyes])
 
+dnl **************
+dnl ***  NaCl  ***
+dnl **************
+
+AC_ARG_ENABLE(nacl_codegen, [  --enable-nacl-codegen      Enable Native Client code generation], enable_nacl_codegen=$enableval, enable_nacl_codegen=no)
+
+AM_CONDITIONAL(NACL_CODEGEN, test x$enable_nacl_codegen != xno)
+if test "x$enable_nacl_codegen" = "xyes"; then
+   MONO_NACL_ALIGN_MASK_OFF=1
+   CPPFLAGS="$CPPFLAGS -D__native_client_codegen__"
+   AC_DEFINE(TARGET_NACL, 1, [...])
+else
+   MONO_NACL_ALIGN_MASK_OFF=0
+fi
+AC_SUBST(MONO_NACL_ALIGN_MASK_OFF)
+
 dnl **************
 dnl ***  LLVM  ***
 dnl **************