CPPFLAGS vs project include arguments in lib/glob

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From	Poor Yorick <org.gnu.lists.bug-bash@pooryorick.com>
Newsgroups	gnu.bash.bug
Subject	CPPFLAGS vs project include arguments in lib/glob
Date	Sun, 30 Aug 2015 07:41:50 -0600
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Hi,

Building bash-4.3, I got an odd error:

     In file included from ../../shell.h:22,
                      from glob.c:53:
     ../../config.h:266:1: warning: "HAVE_ALLOCA" redefined
     In file included from glob.c:49:
     ../../include/memalloc.h:30:1: warning: this is the location of the 
previous definition
     glob.c: In function 'glob_vector':
     glob.c:572: error: 'DIR' undeclared (first use in this function)
     glob.c:572: error: (Each undeclared identifier is reported only once
     glob.c:572: error: for each function it appears in.)
     glob.c:572: error: 'd' undeclared (first use in this function)
     glob.c:738: error: dereferencing pointer to incomplete type
     glob.c:742: error: dereferencing pointer to incomplete type
     glob.c:751: error: dereferencing pointer to incomplete type
     glob.c:805: error: dereferencing pointer to incomplete type
     glob.c:805: error: dereferencing pointer to incomplete type
     glob.c:820: error: dereferencing pointer to incomplete type
     glob.c:831: error: dereferencing pointer to incomplete type
     glob.c:831: error: dereferencing pointer to incomplete type
     Makefile:61: recipe for target 'glob.o' failed

It looked like a stray config.h from somewhere else might be getting 
picked up.
Sure enough, making sure the project includes took precedence over any 
includes
in CPPFLAGS solved the problem:


--- bash-4.3/lib/glob/Makefile.in       2010-08-10 20:59:51.000000000 
-0400
+++ bash-4.3.new/lib/glob/Makefile.in   2015-08-30 01:15:42.000153000 
-0400
@@ -52,7 +52,7 @@

  INCLUDES = -I. -I../.. -I$(topdir) -I$(BASHINCDIR) -I$(topdir)/lib

-CCFLAGS = $(PROFILE_FLAGS) $(DEFS) $(LOCAL_DEFS) $(CPPFLAGS) 
${INCLUDES} \
+CCFLAGS = $(PROFILE_FLAGS) $(DEFS) $(LOCAL_DEFS) $(INCLUDES) 
$(CPPFLAGS)  \
           $(LOCAL_CFLAGS) $(CFLAGS)

  # Here is a rule for making .o files from .c files that doesn't force


-- 
Poor Yorick

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CPPFLAGS vs project include arguments in lib/glob Poor Yorick <org.gnu.lists.bug-bash@pooryorick.com> - 2015-08-30 07:41 -0600

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