Mac OS X install error

I'm getting stuck.Below is my debug.log.Any help would be appreciated. CONFIGURE: './configure' '--prefix=/usr/local/php5' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--sysconfdir=/etc' '--with-zlib' '--with-xml' '--with-zlib-dir=/usr' '--with-openssl' '--enable-exif' '--enable-ftp' '--enable-mbstring' '--enable-mbregex' '--enable-sockets' '--with-mysql=/usr/local/mysql' '--with-mysqli=/usr/local/mysql/bin/mysql_config' '--with-apxs2=/usr/local/apache2/bin/apxs'

CC:         gcc
CFLAGS:     -I/usr/local/include -arch ppc -isysroot /Developer/SDKs/MacOSX10.4u.sdk
CPPFLAGS:    -no-cpp-precomp

CXX: CXXFLAGS:

INCLUDES:    -I/usr/local/include/libxml2 -I/Volumes/Lacie/Downloads/php-5.2.1/ext/date/lib -I/usr/local/include -I/Volumes/Lacie/Downloads/php-5.2.1/ext/mbstring/oniguruma -I/Volumes/Lacie/Downloads/php-5.2.1/ext/mbstring/libmbfl -I/Volumes/Lacie/Downloads/php-5.2.1/ext/mbstring/libmbfl/mbfl -I/usr/local/mysql/include/mysql
LDFLAGS:    -L/usr/local/lib  -L/usr/local/lib -L/usr/local/lib -L/usr/local/mysql/lib -L/usr/local/mysql/lib -L/usr/local/mysql/lib/mysql -L/usr/local/mysql/lib/mysql
LIBS:       -lmysqlclient -liconv -lssl -lcrypto -lz -lssl -lcrypto -lresolv -lresolv -lresolv -lm -ldl  -lxml2 -lz -liconv -lm -lxml2 -lz -liconv -lm -lmysqlclient -lz -lm -lxml2 -lz -liconv -lm

DLIBS:

SAPI:       apache2handler
PHP_RPATHS:  /usr/local/lib /usr/local/mysql/lib /usr/local/mysql/lib/mysql
uname -a:   Darwin bradmac.local 8.9.0 Darwin Kernel Version 8.9.0: Thu Feb 22 20:54:07 PST 2007; root:xnu-792.17.14~1/RELEASE_PPC Power Macintosh powerpc

gcc -o conftest -I/usr/local/include -arch ppc -isysroot /Developer/SDKs/MacOSX10.4u.sdk -no-cpp-precomp -L/usr/local/lib -L/usr/local/lib -L/usr/local/lib -L/usr/local/mysql/lib -L/usr/local/mysql/lib -L/usr/local/mysql/lib/mysql -L/usr/local/mysql/lib/mysql conftest.c -lmysqlclient -liconv -lssl -lcrypto -lz -lssl -lcrypto -lresolv -lresolv -lresolv -lm -ldl -lxml2 -lz -liconv -lm -lxml2 -lz -liconv -lm -lmysqlclient -lz -lm -lxml2 -lz -liconv -lm 1>&5 conftest.c: In function 'main': conftest.c:3: warning: incompatible implicit declaration of built-in function 'exit'