Get Irix autoconf build a bit farther along -- thanks to var@sgi.com

configure.in

@@ -123,7 +123,7 @@ DSO_CFLAGS='-KPIC'
 
 dnl gcc can come with its own linker so its better to use the pass-thru calls
 dnl ========================================================
-if test "$GNU_CC" = 1; then
+if [ test "$GNU_CC" = 1]; then
     MKSHLIB='$(CC) $(DSO_LDOPTS)'
     DSO_LDOPTS='-shared -Wl,-h -Wl,$(@:$(OBJDIR)/%.$(DLL_SUFFIX)=%.$(DLL_SUFFIX))'
     DSO_CFLAGS='-fPIC'
@@ -151,6 +151,10 @@ alpha-*-linux*)
 	DLL_SUFFIX="so.1.0"
     fi ;;
 
+*-irix*)
+    AC_DEFINE(IRIX6_3)
+
+
 esac
 
 dnl Checks for typedefs, structures, and compiler characteristics.
@@ -258,6 +262,50 @@ else
 fi  
 CC=$_SAVE_CC
 
+dnl Checks for c++ features
+dnl Is there a way to make AC_TRY_COMPILE use CXX instead of CC?
+_SAVE_CC=$CC
+CC=$CXX
+AC_MSG_CHECKING(for ios::bin)
+AC_CACHE_VAL(ac_cv_ios_bin,
+ [AC_TRY_COMPILE([#include <iostream.h>]
+               [#include <fstream.h>],
+                 [char *buffer = "config.log";
+                fstream *mFileStream=new fstream(buffer, ios::bin);],
+                 [ac_ios_bin=true],
+                 [ac_ios_bin=false])
+  ac_cv_ios_bin=$ac_ios_bin])
+ac_ios_bin=$ac_cv_ios_bin
+if test $ac_ios_bin = true ; then
+  AC_DEFINE(HAVE_IOS_BIN)
+  AC_MSG_RESULT(yes)
+else
+  AC_MSG_RESULT(no)
+fi  
+CC=$_SAVE_CC
+
+dnl Checks for c++ features
+dnl Is there a way to make AC_TRY_COMPILE use CXX instead of CC?
+_SAVE_CC=$CC
+CC=$CXX
+AC_MSG_CHECKING(for ios::bin)
+AC_CACHE_VAL(ac_cv_ios_bin,
+ [AC_TRY_COMPILE([#include <iostream.h>]
+               [#include <fstream.h>],
+                 [char *buffer = "config.log";
+                fstream *mFileStream=new fstream(buffer, ios::bin);],
+                 [ac_ios_bin=true],
+                 [ac_ios_bin=false])
+  ac_cv_ios_bin=$ac_ios_bin])
+ac_ios_bin=$ac_cv_ios_bin
+if test $ac_ios_bin = true ; then
+  AC_DEFINE(HAVE_IOS_BIN)
+  AC_MSG_RESULT(yes)
+else
+  AC_MSG_RESULT(no)
+fi  
+CC=$_SAVE_CC
+
 dnl Checks for libraries.
 dnl ========================================================
 AC_CHECK_LIB(c_r, gethostbyname_r)

htmlparser/src/nsScanner.cpp

@@ -75,8 +75,10 @@ CScanner::CScanner(nsString& aFilename,PRBool aCreateStream) :
     #if defined(HAVE_IOS_BINARY) || !defined(XP_UNIX)
       /* XXX: HAVE_IOS_BINARY needs to be set for mac & win */
       mFileStream=new fstream(buffer,ios::in|ios::binary);
-    #else
+    #elif defined(HAVE_IOS_BIN)
       mFileStream=new fstream(buffer,ios::in|ios::bin);
+    #else
+      mFileStream=new fstream(buffer,ios::in);
     #endif
   } //if
 }

parser/htmlparser/src/nsScanner.cpp

@@ -75,8 +75,10 @@ CScanner::CScanner(nsString& aFilename,PRBool aCreateStream) :
     #if defined(HAVE_IOS_BINARY) || !defined(XP_UNIX)
       /* XXX: HAVE_IOS_BINARY needs to be set for mac & win */
       mFileStream=new fstream(buffer,ios::in|ios::binary);
-    #else
+    #elif defined(HAVE_IOS_BIN)
       mFileStream=new fstream(buffer,ios::in|ios::bin);
+    #else
+      mFileStream=new fstream(buffer,ios::in);
     #endif
   } //if
 }