configure: error: libjpeg.(a|so) not found.
[root@target3 php-5.1.6]# locate libjpeg
/usr/lib64/libjpeg.so
/usr/lib64/libjpeg.so.62
/usr/lib64/libjpeg.so.62.0.0
/usr/share/doc/libjpeg-6b
/usr/share/doc/libjpeg-devel-6b
/usr/share/doc/libjpeg-6b/README
/usr/share/doc/libjpeg-6b/usage.doc
/usr/share/doc/libjpeg-devel-6b/coderules.doc
/usr/share/doc/libjpeg-devel-6b/example.c
/usr/share/doc/libjpeg-devel-6b/libjpeg.doc
/usr/share/doc/libjpeg-devel-6b/structure.doc
/usr/share/doc/libjpeg-devel-6b/wizard.doc
[root@target3 php-5.1.6]# locate libpng
/usr/bin/libpng-config
/usr/bin/libpng12-config
/usr/include/libpng
/usr/include/libpng12
/usr/include/libpng12/png.h
/usr/include/libpng12/pngconf.h
/usr/lib64/libpng.a
/usr/lib64/libpng.so
/usr/lib64/libpng.so.3
/usr/lib64/libpng.so.3.1.2.8
/usr/lib64/libpng12.a
/usr/lib64/libpng12.so
/usr/lib64/libpng12.so.0
/usr/lib64/libpng12.so.0.1.2.8
/usr/lib64/pkgconfig/libpng.pc
/usr/lib64/pkgconfig/libpng12.pc
/usr/share/doc/libpng-1.2.8
/usr/share/doc/libpng-1.2.8/CHANGES
/usr/share/doc/libpng-1.2.8/LICENSE
/usr/share/doc/libpng-1.2.8/README
/usr/share/doc/libpng-1.2.8/TODO
/usr/share/doc/libpng-1.2.8/example.c
/usr/share/doc/libpng-1.2.8/libpng.txt
/usr/share/man/man3/libpng.3.gz
/usr/share/man/man3/libpngpf.3.gz