Bug #1756: ./configure fails when called from within rpm

From: callus@stad.dsl.nl Operating system: RH 6.0 2.2.5-15 i686 PHP version: 4.0 Beta 1 PHP Bug Type: Installation problem Bug description: ./configure fails when called from within rpm This works well: ./configure --with-apxs=/usr/sbin/apxs --with-system-regex --with-gd --enable-track-vars --with-config-file-path=/etc/httpd/conf --with-exec-dir=/home/httpd/php/bin --with-imap --enable-magick-quotes --with-ldap --with-mcrypt --with-mhash --with-mysql --with-snmp --with-zlib --enable-ucd-snmp-hack But the same from within rpm (3.0.2 release 6.0) fails when it checks for the C preprocessor. Specfile: Summary: PHP - with the long awaited Zend engine :) Name: mod_php4 Version: 4.0b1 Release: 1 URL: http://www.php.net/ Source: http://www.php.net/version4/downloads/php-%{version}.tar.gz Copyright: ??? Group: Networking/Daemons Requires: apache-mod_ssl >= 1.3.6.2.3.6, imap >= 4.5, MySQL >= 3.21.25, gd >= 1.6.1 etc. Obsoletes: php, mod_php, mod_php3 BuildRoot: /var/tmp/%{name}-%{version}-root %description %prep %setup -q -n php-%{version} %build ./configure --with-all-options-as-mentioned-above make Output: ++ echo -n checking how to run the C preprocessor... checking how to run the C preprocessor... ++ echo configure:2480: checking how t o run the C preprocessor ++ test -n ++ test -z +++ echo ${ac_cv_prog_CPP+set} ++ eval test "${ac_cv_prog_CPP+set}" = set +++ test = set ++ CPP=gcc -E ++ cat ++ ac_try=$CPP $CPPFLAGS conftest.c >/dev/null 2>conftest.out ++ eval echo configure:2501: "$CPP $CPPFLAGS conftest.c >/dev/null 2>conftest.ou t" +++ echo configure:2501: gcc -E conftest.c >/dev/null 2>conftest.out +++ grep -v ^ *+ conftest.out +++ grep -v ^conftest.c$ ++ ac_err= Bad exit status from /var/tmp/rpm-tmp.73649 (%build) My apologies if I have overlooked something.