PHP compiled with following arguments:
./configure \
        --target=%{_target_platform} \
        --prefix=%{_prefix} \
        --with-config-file-path=%{_sysconfdir} \
        --disable-debug \
        --enable-pic \
        --enable-inline-optimization \
        $* \
        --with-exec-dir=%{_bindir} \
        --with-regex=system \
        --with-jpeg-dir=%{_prefix} \
        --with-png \
        --with-db2 \
        --with-gd \
        --with-oci8 \
        --with-zlib \
        --with-gdbm \
        --enable-debugger \
        --enable-magic-quotes \
        --enable-safe-mode \
        --enable-sysvsem \
        --enable-sysvshm \
        --enable-track-vars \
        --enable-yp \
        --enable-ftp \
        --with-xml

ORACLE_HOME is defined.
Oracle version is 8.1.6
Apache version is 1.3.12

When I start apache with php enabled, it crashes:
[mike@io mike]$ httpd -t
Syntax OK
Segmentation fault

gdb:
(gdb) r -t
Starting program: /usr/sbin/httpd -t
Syntax OK
Cannot access memory at address 0x40b17bb4
(gdb) where
#0  0x4000bd99 in _dl_debug_state () at dl-debug.c:56
#1  0x401b60c6 in _dl_close (map=0x80b4fc8) at dl-close.c:195
#2  0xaff0d in ?? ()
#3  0xaff0d in ?? ()
#4  0xaff0d in ?? ()
#5  0xaff0d in ?? ()
#6  0xaff0d in ?? ()
#7  0xaff0d in ?? ()
#8  0xaff0d in ?? ()
#9  0xaff0d in ?? ()
#10 0xaff0d in ?? ()
#11 0xaff0d in ?? ()
#12 0xaff0d in ?? ()
#13 0xaff0d in ?? ()
#14 0xaff0d in ?? ()