updated instruction on cross-compilation

svn path=/trunk/externals/zexy/; revision=4495

1 files changed, 9 insertions, 5 deletions

diff --git a/README.txt b/README.txt
index 3daedf8..f8898fe 100644
--- a/README.txt
+++ b/README.txt
@@ -67,6 +67,7 @@ note on generating dependencies:
  try:

    make CPP=cc

 

+

 win32 :

 ------------------------------------------------------------------------------

 

@@ -83,12 +84,15 @@ to compile:
  OR

  + cross-compilation for windows on linux using mingw (assumes that the 

    crosscompiler is "i586-mingw32msvc-cc")

-	#> CFLAGS="" ./configure --host=i586-mingw32msvc --with-extension=dll \

-	   --with-pd=/path/to/win/pd/ --disable-PIC

+	#> ./configure --host=i586-mingw32msvc --with-extension=dll \

+	   --disable-PIC --with-pd=/path/to/win/pd/

+	#> make CFLAGS="-fno-unit-at-a-time"

      notes: configure tries to set the CFLAGS to "-g -O2" if the compiler

-            accepts this; however, i noticed that when doing a cross-compilation

-	    for w32, pd will not be able to load certain externals if "-O2"

-	    is turned on; the 'CFLAGS=""' will prevent this

+            accepts this; however, this optimization sometimes generates 

+	    binaries that cannot be loaded by pd; it seems that disabling

+	    the "unit-at-a-time" optimization (which gets enabled by "-O2")

+	    is the cause of this problem. turning it off might help

+

 

 irix :

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