Bug 143852 - autoconf AC_CHECK_TYPE() macro generates compiler warnings
Summary: autoconf AC_CHECK_TYPE() macro generates compiler warnings
Alias: None
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: autoconf   
(Show other bugs)
Version: 4.0
Hardware: All Linux
Target Milestone: ---
: ---
Assignee: Karsten Hopp
QA Contact: Brian Brock
Depends On:
TreeView+ depends on / blocked
Reported: 2004-12-30 01:37 UTC by Michael Jennings (KainX)
Modified: 2007-11-30 22:07 UTC (History)
0 users

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2006-05-08 12:07:48 UTC
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Michael Jennings (KainX) 2004-12-30 01:37:08 UTC
Description of problem:
Use of the AC_CHECK_TYPE() autoconf macro fails when the compiler
flags contain -Werror due to missing prototypes for longval() and

Version-Release number of selected component (if applicable):


How reproducible:

Every time.

Steps to Reproduce:
1.  Use AC_CHECK_TYPE(char, 1) in configure.in, or download
libast-0.6.1.tar.gz from http://www.eterm.org/download/ and use that.
2.  export CFLAGS='-O0 -g3 -march=pentiumpro -W -Wall
-Wmissing-prototypes -Wmissing-declarations -Wall -Werror -std=c99
3.  ./autogen.sh && make distcheck  
Actual results:

checking size of char... configure: error: cannot compute sizeof
(char), 77
See `config.log' for more details.
make: *** [distcheck] Error 1

Expected results:

configure script should complete without errors though "make
distcheck" will fail later on for other reasons.

Additional info:

Comment 1 Daniel Reed 2005-01-21 19:43:48 UTC
This is now fixed in upstream Autoconf CVS, and will be available in the next
upstream release.

Comment 4 Karsten Hopp 2006-05-08 12:07:48 UTC
added patch to CVS so that this doesn't get lost.
this will be fixed when we need to issue the next erratum

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