Update the sections "Compiling For Multiple Architectures" and
"Particular Systems".
diff --git a/INSTALL.generic b/INSTALL.generic
index 9e9c6c4..f10122f 100644
--- a/INSTALL.generic
+++ b/INSTALL.generic
@@ -81,16 +81,19 @@
one architecture, use `make distclean' before reconfiguring for another
architecture.
- On MacOS X systems, you can create libraries and executables that work
-on multiple system types - known as "fat" or "universal" binaries - by
-specifying multiple '-arch' options to the compiler but only a single
-'-arch' option to the preprocessor. Like this:
+ On MacOS X 10.5 and later systems, you can create libraries and
+executables that work on multiple system types--known as "fat" or
+"universal" binaries--by specifying multiple '-arch' options to the
+compiler but only a single '-arch' option to the preprocessor. Like
+this:
- env CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
- CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
- CPP="gcc -arch ppc -E" \
- CXXCPP="g++ -arch ppc -E" \
- ./configure
+ ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
+ CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
+ CPP="gcc -E" CXXCPP="g++ -E"
+
+ This is not guaranteed to produce working output in all cases. You
+may have to build one architecture at a time and combine the results
+using the 'lipo' tool if you have problems.
Installation Names
==================
@@ -180,23 +183,26 @@
is not installed, it is recommended to use the following options in order
to use an ANSI C compiler:
- env CC="cc -Ae" ./configure
+ ./configure CC="cc -Ae"
- On OSF/1 a.k.a. Tru64, some versions of the default C compiler don't grok
-its <wchar.h> header file. The option -nodtk can be used as a workaround.
-If GNU CC is not installed, it is therefore recommended to try
+and if that doesn't work, install pre-built binaries of GCC for HP-UX.
- env CC="cc" ./configure
+ On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot
+parse its `<wchar.h>' header file. The option `-nodtk' can be used as
+a workaround. If GNU CC is not installed, it is therefore recommended
+to try
+
+ ./configure CC="cc"
and if that doesn't work, try
- env CC="cc -nodtk" ./configure
+ ./configure CC="cc -nodtk"
On AIX 3, the C include files by default don't define some necessary
prototype declarations. If GNU CC is not installed, it is recommended to
use the following options:
- env CC="xlc -D_ALL_SOURCE" ./configure
+ ./configure CC="xlc -D_ALL_SOURCE"
On BeOS, user installed software goes in /boot/home/config, not
/usr/local. It is recommended to use the following options:
