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new gnulib problem when building liboctave


From: Ben Abbott
Subject: new gnulib problem when building liboctave
Date: Thu, 21 Jan 2010 05:33:03 -0500

With the recent changes, I now see

libtool: compile:  g++-4.2 -DHAVE_CONFIG_H -I. -I.. -I/sw/lib/flex/include 
-I/sw/include -O1 -m32 -I/sw/include/freetype2 -I/sw/include/qhull 
-I/usr/include -I/sw/include -I../libgnu -I../libgnu -I../libcruft/misc 
-I/sw/lib/flex/include -I/sw/include -O1 -m32 -I/sw/include/freetype2 
-I/sw/include/qhull -I/usr/include -I/sw/include -I/sw/include -O1 -m32 
-D_THREAD_SAFE -D_REENTRANT -DHAVE_CONFIG_H -I/sw/include/freetype2 
-I/sw/include -I/usr/X11/include -Wall -W -Wshadow -Wold-style-cast -Wformat 
-I/sw/include -O1 -m32 -D_THREAD_SAFE -D_REENTRANT -D_THREAD_SAFE -I/sw/include 
-O1 -m32 -D_THREAD_SAFE -D_REENTRANT -MT liboctave_la-file-ops.lo -MD -MP -MF 
.deps/liboctave_la-file-ops.Tpo -c file-ops.cc  -fno-common -DPIC -o 
.libs/liboctave_la-file-ops.o
file-ops.cc:40:21: error: pathmax.h: No such file or directory

If I manually compile with the second "-I../libgnu" replaced by 
"-I../gnulib/lib", there is no error.

g++-4.2 -DHAVE_CONFIG_H -I. -I.. -I/sw/lib/flex/include -I/sw/include -O1 -m32 
-I/sw/include/freetype2 -I/sw/include/qhull -I/usr/include -I/sw/include 
-I../libgnu -I../gnulib/lib -I../libcruft/misc -I/sw/lib/flex/include 
-I/sw/include -O1 -m32 -I/sw/include/freetype2 -I/sw/include/qhull 
-I/usr/include -I/sw/include -I/sw/include -O1 -m32 -D_THREAD_SAFE -D_REENTRANT 
-DHAVE_CONFIG_H -I/sw/include/freetype2 -I/sw/include -I/usr/X11/include -Wall 
-W -Wshadow -Wold-style-cast -Wformat -I/sw/include -O1 -m32 -D_THREAD_SAFE 
-D_REENTRANT -D_THREAD_SAFE -I/sw/include -O1 -m32 -D_THREAD_SAFE -D_REENTRANT 
-MT liboctave_la-file-ops.lo -MD -MP -MF .deps/liboctave_la-file-ops.Tpo -c 
file-ops.cc  -fno-common -DPIC -o .libs/liboctave_la-file-ops.o

I'd venture to guess that the changeset below should also haved added 
"-I../gnulib/lib" to AM_CPPFLAGS in Makefile.am?

        http://hg.savannah.gnu.org/hgweb/octave/rev/326746625a51

Something like what is below?

 24 AM_CPPFLAGS = \
 25   @CPPFLAGS@ -I../libgnu -I$(top_srcdir)/libgnu \
 26   -I$(top_srcdir)/libcruft/misc -I../gnulib/lib -I$(top_srcdir)/gnulib/lib

If I make that change to my sources, all appears to work. However, I don't know 
if this is the right thing to do.

Ben



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