mod_php-5.0.3 compilaton fails with "session" USE flag set, while compiles cleanly without it. Reproducible: Always Steps to Reproduce: 0. // ACCEPT_KEYWORDS/package.keywords for dev-php/mod_php set to ~x86 1. USE="session" emerge -v mod_php Actual Results: _php-5.0.3/work/php-5.0.3/meta_ccld -DSUPPORT_UTF8 -DLINK_SIZE=2 -DPOSIX_MALLOC_THRESHOLD=10 -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/pcre/pcrelib -Iext/pcre/ -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/pcre/ -DPHP_ATOM_INC -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/include -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/main -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3 -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/Zend -D_REENTRANT -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/TSRM -mcpu=k6-2 -Os -pipe -fomit-frame-pointer -mmmx -m3dnow -s -pthread -DZTS -prefer-pic -c /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/pcre/pcrelib/pcre.c -o ext/pcre/pcrelib/pcre.lo /bin/sh /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/libtool --silent --preserve-dup-deps --mode=compile /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/meta_ccld -DSUPPORT_UTF8 -DLINK_SIZE=2 -DPOSIX_MALLOC_THRESHOLD=10 -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/pcre/pcrelib -Iext/pcre/ -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/pcre/ -DPHP_ATOM_INC -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/include -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/main -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3 -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/Zend -D_REENTRANT -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/TSRM -mcpu=k6-2 -Os -pipe -fomit-frame-pointer -mmmx -m3dnow -s -pthread -DZTS -prefer-pic -c /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/pcre/php_pcre.c -o ext/pcre/php_pcre.lo /bin/sh /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/libtool --silent --preserve-dup-deps --mode=compile /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/meta_ccld -Iext/session/ -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/session/ -DPHP_ATOM_INC -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/include -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/main -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3 -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/Zend -D_REENTRANT -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/TSRM -mcpu=k6-2 -Os -pipe -fomit-frame-pointer -mmmx -m3dnow -s -pthread -DZTS -prefer-pic -c /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/session/session.c -o ext/session/session.lo /bin/sh /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/libtool --silent --preserve-dup-deps --mode=compile /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/meta_ccld -Iext/session/ -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/session/ -DPHP_ATOM_INC -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/include -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/main -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3 -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/Zend -D_REENTRANT -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/TSRM -mcpu=k6-2 -Os -pipe -fomit-frame-pointer -mmmx -m3dnow -s -pthread -DZTS -prefer-pic -c /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/session/mod_files.c -o ext/session/mod_files.lo /bin/sh /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/libtool --silent --preserve-dup-deps --mode=compile /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/meta_ccld -Iext/session/ -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/session/ -DPHP_ATOM_INC -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/include -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/main -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3 -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/Zend -D_REENTRANT -I/var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/TSRM -mcpu=k6-2 -Os -pipe -fomit-frame-pointer -mmmx -m3dnow -s -pthread -DZTS -prefer-pic -c /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/session/mod_mm.c -o ext/session/mod_mm.lo /var/tmp/portage/mod_php-5.0.3/work/php-5.0.3/ext/session/mod_mm.c:37:3: #error mm is not thread-safe make: *** [ext/session/mod_mm.lo] Error 1 make: *** Waiting for unfinished jobs.... Expected Results: php_mod should compile cleanly. touga htdocs # emerge info Portage 2.0.51-r15 (default-linux/x86/2004.3, gcc-3.3.3, glibc-2.3.4.20041102-r0, 2.6.10-hardened-r3 i686) ================================================================= System uname: 2.6.10-hardened-r3 i686 AMD Duron(tm) processor Gentoo Base System version 1.6.8 Python: dev-lang/python-2.3.3-r1 [2.3.3 (#1, Jul 18 2004, 03:14:02)] distcc 2.16 i586-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled] dev-lang/python: 2.3.3-r1 sys-devel/autoconf: 2.59-r5 sys-devel/automake: 1.8.5-r1 sys-devel/binutils: 2.15.92.0.2-r1 sys-devel/libtool: 1.4.3-r4, 1.5.2-r7 virtual/os-headers: 2.6.8.1 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CFLAGS="-mcpu=k6-2 -Os -pipe -fomit-frame-pointer -mmmx -m3dnow -s" CHOST="i586-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/X11R6/lib/X11/xkb /usr/kde/2/share/config /usr/kde/3/share/config /usr/share/config /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-mcpu=k6-2 -Os -pipe -fomit-frame-pointer -mmmx -m3dnow -s" DISTDIR="/usr/portage/distfiles" FEATURES="autoaddcvs autoconfig ccache digest distlocks sandbox sfperms" GENTOO_MIRRORS="ftp://gentoo.inode.at/source/ http://gd.tuwien.ac.at/opsys/linux/gentoo/ http://195.56.77.10/ http://gentoo.oregonstate.edu http://www.ibiblio.org/pub/Linux/distributions/gentoo" MAKEOPTS="-j3" PKGDIR="/packages/All" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage" SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage" USE="x86 3dnow acl apache2 apm avi bitmap-fonts cups dio esd f77 font-server foomatic foomaticdb fortran gif gtk2 junit krb4 libwww mad memlimit mmx motif mpeg nptl nptlonly ntpl opengl pic ppds python quota readline ruby samba sdl session shared sharedmem slang sqlite svga threads truetype-fonts type1-fonts usb userlocales" Unset: ASFLAGS, CBUILD, CTARGET, LANG, LC_ALL, LDFLAGS
Did you even read the error that it gave you? "#error mm is not thread-safe" If you want session, you must compile apache without threads.
