Re: CPPFLAGS Ignored?

[Peter Stephenson <pws@xxxxxxx>]

On Wed, 19 Aug 2009 11:57:17 +0800
Aaron Davies <aaron.davies@xxxxxxxxx> wrote:
> There are several places in configure and make where bare $CPP
> commands are issued without including flags (signal.h, error.h, etc.).
> Is there a reason foe this, or is it just really rare to have the
> entire include tree relocated?

I don't think there's a reason, but nobody's ever complained.  I've tried
the following locally and nothing horrible happened, but then I don't think
there's anything horrible to happen locally...

Index: configure.ac
===================================================================
RCS file: /cvsroot/zsh/zsh/configure.ac,v
retrieving revision 1.126
diff -u -r1.126 configure.ac
--- configure.ac	30 May 2009 22:28:50 -0000	1.126
+++ configure.ac	28 Aug 2009 15:05:46 -0000
@@ -1345,7 +1345,7 @@
 dnl The backslash substitution is to persuade cygwin to cough up
 dnl slashes rather than doubled backslashes in the path.
 echo "#include <signal.h>" > nametmp.c
-sigfile_list="`$CPP nametmp.c |
+sigfile_list="`$CPP $CPPFLAGS nametmp.c |
 sed -n -e 's/^#line[ 	].*\"\(.*\)\"/\1/p' \
        -e 's/^#[ 	].*\"\(.*\)\"/\1/p' |
 sed 's/\\\\\\\\/\//g' |
@@ -1393,7 +1393,7 @@
 dnl The backslash substitution is to persuade cygwin to cough up
 dnl slashes rather than doubled backslashes in the path.
 echo "#include <errno.h>" > nametmp.c
-errfile_list="`$CPP nametmp.c |
+errfile_list="`$CPP $CPPFLAGS nametmp.c |
 sed -n -e 's/^#line[ 	].*\"\(.*\)\"/\1/p' \
        -e 's/^#[ 	0-9].*\"\(.*\)\"/\1/p' |
 sed 's/\\\\\\\\/\//g' |
@@ -1462,7 +1462,7 @@
   echo "#include <$zsh_cv_path_curses_header>" >nametmp.c
 fi
 
-curses_list="`$CPP nametmp.c |
+curses_list="`$CPP $CPPFLAGS nametmp.c |
 sed -n -e 's/^#line[ 	].*\"\(.*\)\"/\1/p' \
        -e 's/^#[ 	0-9].*\"\(.*\)\"/\1/p' |
 sed 's/\\\\\\\\/\//g' |
@@ -1584,7 +1584,7 @@
 [dnl Look at the output from the preprocessor.
 dnl Copied from the search for the signal names above.
 echo "#include <sys/resource.h>" >restmp.c
-resourcefile_list="`$CPP restmp.c |
+resourcefile_list="`$CPP $CPPFLAGS restmp.c |
 sed -n -e 's/^#line[ 	].*\"\(.*\)\"/\1/p' \
        -e 's/^#[ 	].*\"\(.*\)\"/\1/p' |
 sed 's/\\\\\\\\/\//g' |


-- 
Peter Stephenson <pws@xxxxxxx>            Software Engineer
Tel: +44 (0)1223 692070                   Cambridge Silicon Radio Limited
Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ, UK


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