nikola1 ➜ splinter  brew install glibc -cc=gcc-4.6 -v
==> Downloading http://ftpmirror.gnu.org/glibc/glibc-2.19.tar.bz2
Already downloaded: /place/home/splinter/.cache/Homebrew/glibc-2.19.tar.bz2
==> Verifying glibc-2.19.tar.bz2 checksum
tar xf /place/home/splinter/.cache/Homebrew/glibc-2.19.tar.bz2
==> ../configure --disable-debug --disable-dependency-tracking --disable-silent-rules --prefix=/place/home/splinter/.brew/Cellar/glibc/2.19 --enable-obsolete-rpc --without-selinux --with-binutils=/place/home/splinter/.brew/Cellar/binutils/2.26/bin --with-headers=/place/home/splinter/.brew/Cellar/linux-headers/3.18.27/include
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking for gcc... /usr/bin/gcc-4.7
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether /usr/bin/gcc-4.7 accepts -g... yes
checking whether we are using the GNU C++ compiler... yes
checking whether /usr/bin/g++-4.7 accepts -g... yes
checking for readelf... readelf
checking for sysdeps preconfigure fragments... powerpc x86_64 checking whether /usr/bin/gcc-4.7 compiles in -mx32 mode by default... no

configure: running configure fragment for add-on libidn
configure: running configure fragment for add-on nptl

.........

/usr/bin/gcc-4.7 -B/place/home/splinter/.brew/Cellar/binutils/2.26/bin/ ../sysdeps/ieee754/ldbl-96/s_modfl.c -c -std=gnu99 -fgnu89-inline -fno-stack-protector -Os -Wall -Winline -Wwrite-strings -fmerge-all-constants -frounding-math -march=core2 -pipe -w -Wstrict-prototypes   -fPIC    -Wno-uninitialized -U_FORTIFY_SOURCE -isystem/place/home/splinter/.brew/include -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES -I../include -I/tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math  -I/tmp/glibc20160502-583195-1006ggl/glibc-2.19/build  -I../sysdeps/unix/sysv/linux/x86_64/64/nptl  -I../sysdeps/unix/sysv/linux/x86_64/64  -I../nptl/sysdeps/unix/sysv/linux/x86_64  -I../nptl/sysdeps/unix/sysv/linux/x86  -I../sysdeps/unix/sysv/linux/x86  -I../sysdeps/unix/sysv/linux/x86_64  -I../sysdeps/unix/sysv/linux/wordsize-64  -I../nptl/sysdeps/unix/sysv/linux  -I../nptl/sysdeps/pthread  -I../sysdeps/pthread  -I../ports/sysdeps/unix/sysv/linux  -I../sysdeps/unix/sysv/linux  -I../sysdeps/gnu  -I../sysdeps/unix/inet  -I../nptl/sysdeps/unix/sysv  -I../ports/sysdeps/unix/sysv  -I../sysdeps/unix/sysv  -I../sysdeps/unix/x86_64  -I../nptl/sysdeps/unix  -I../ports/sysdeps/unix  -I../sysdeps/unix  -I../sysdeps/posix  -I../nptl/sysdeps/x86_64/64  -I../sysdeps/x86_64/64  -I../sysdeps/x86_64/fpu/multiarch  -I../sysdeps/x86_64/fpu  -I../sysdeps/x86/fpu  -I../sysdeps/x86_64/multiarch  -I../nptl/sysdeps/x86_64  -I../sysdeps/x86_64  -I../sysdeps/x86  -I../sysdeps/ieee754/ldbl-96  -I../sysdeps/ieee754/dbl-64/wordsize-64  -I../sysdeps/ieee754/dbl-64  -I../sysdeps/ieee754/flt-32  -I../sysdeps/wordsize-64  -I../sysdeps/ieee754  -I../sysdeps/generic  -I../nptl  -I../ports  -I.. -I../libio -I. -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.7/include -isystem /usr/lib/gcc/x86_64-linux-gnu/4.7/include-fixed -isystem /place/home/splinter/.brew/Cellar/linux-headers/3.18.27/include  -D_LIBC_REENTRANT -include ../include/libc-symbols.h  -DPIC -DSHARED     -o /tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_modfl.os -MD -MP -MF /tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_modfl.os.dt -MT /tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_modfl.os
../sysdeps/ieee754/dbl-64/wordsize-64/s_finite.c:29:1: error: ‘__EI___finite’ aliased to external symbol ‘__GI___finite’
/usr/bin/gcc-4.7 -B/place/home/splinter/.brew/Cellar/binutils/2.26/bin/ ../sysdeps/x86_64/fpu/s_scalbnl.S -c -U_FORTIFY_SOURCE -isystem/place/home/splinter/.brew/include -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES -I../include -I/tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math  -I/tmp/glibc20160502-583195-1006ggl/glibc-2.19/build  -I../sysdeps/unix/sysv/linux/x86_64/64/nptl  -I../sysdeps/unix/sysv/linux/x86_64/64  -I../nptl/sysdeps/unix/sysv/linux/x86_64  -I../nptl/sysdeps/unix/sysv/linux/x86  -I../sysdeps/unix/sysv/linux/x86  -I../sysdeps/unix/sysv/linux/x86_64  -I../sysdeps/unix/sysv/linux/wordsize-64  -I../nptl/sysdeps/unix/sysv/linux  -I../nptl/sysdeps/pthread  -I../sysdeps/pthread  -I../ports/sysdeps/unix/sysv/linux  -I../sysdeps/unix/sysv/linux  -I../sysdeps/gnu  -I../sysdeps/unix/inet  -I../nptl/sysdeps/unix/sysv  -I../ports/sysdeps/unix/sysv  -I../sysdeps/unix/sysv  -I../sysdeps/unix/x86_64  -I../nptl/sysdeps/unix  -I../ports/sysdeps/unix  -I../sysdeps/unix  -I../sysdeps/posix  -I../nptl/sysdeps/x86_64/64  -I../sysdeps/x86_64/64  -I../sysdeps/x86_64/fpu/multiarch  -I../sysdeps/x86_64/fpu  -I../sysdeps/x86/fpu  -I../sysdeps/x86_64/multiarch  -I../nptl/sysdeps/x86_64  -I../sysdeps/x86_64  -I../sysdeps/x86  -I../sysdeps/ieee754/ldbl-96  -I../sysdeps/ieee754/dbl-64/wordsize-64  -I../sysdeps/ieee754/dbl-64  -I../sysdeps/ieee754/flt-32  -I../sysdeps/wordsize-64  -I../sysdeps/ieee754  -I../sysdeps/generic  -I../nptl  -I../ports  -I.. -I../libio -I. -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.7/include -isystem /usr/lib/gcc/x86_64-linux-gnu/4.7/include-fixed -isystem /place/home/splinter/.brew/Cellar/linux-headers/3.18.27/include  -D_LIBC_REENTRANT -include ../include/libc-symbols.h  -DPIC -DSHARED     -DASSEMBLER   -Wa,--noexecstack   -o /tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_scalbnl.os -MD -MP -MF /tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_scalbnl.os.dt -MT /tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_scalbnl.os
/usr/bin/gcc-4.7 -B/place/home/splinter/.brew/Cellar/binutils/2.26/bin/ ../sysdeps/ieee754/ldbl-96/s_frexpl.c -c -std=gnu99 -fgnu89-inline -fno-stack-protector -Os -Wall -Winline -Wwrite-strings -fmerge-all-constants -frounding-math -march=core2 -pipe -w -Wstrict-prototypes   -fPIC    -Wno-uninitialized -U_FORTIFY_SOURCE -isystem/place/home/splinter/.brew/include -D__NO_MATH_INLINES -D__LIBC_INTERNAL_MATH_INLINES -I../include -I/tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math  -I/tmp/glibc20160502-583195-1006ggl/glibc-2.19/build  -I../sysdeps/unix/sysv/linux/x86_64/64/nptl  -I../sysdeps/unix/sysv/linux/x86_64/64  -I../nptl/sysdeps/unix/sysv/linux/x86_64  -I../nptl/sysdeps/unix/sysv/linux/x86  -I../sysdeps/unix/sysv/linux/x86  -I../sysdeps/unix/sysv/linux/x86_64  -I../sysdeps/unix/sysv/linux/wordsize-64  -I../nptl/sysdeps/unix/sysv/linux  -I../nptl/sysdeps/pthread  -I../sysdeps/pthread  -I../ports/sysdeps/unix/sysv/linux  -I../sysdeps/unix/sysv/linux  -I../sysdeps/gnu  -I../sysdeps/unix/inet  -I../nptl/sysdeps/unix/sysv  -I../ports/sysdeps/unix/sysv  -I../sysdeps/unix/sysv  -I../sysdeps/unix/x86_64  -I../nptl/sysdeps/unix  -I../ports/sysdeps/unix  -I../sysdeps/unix  -I../sysdeps/posix  -I../nptl/sysdeps/x86_64/64  -I../sysdeps/x86_64/64  -I../sysdeps/x86_64/fpu/multiarch  -I../sysdeps/x86_64/fpu  -I../sysdeps/x86/fpu  -I../sysdeps/x86_64/multiarch  -I../nptl/sysdeps/x86_64  -I../sysdeps/x86_64  -I../sysdeps/x86  -I../sysdeps/ieee754/ldbl-96  -I../sysdeps/ieee754/dbl-64/wordsize-64  -I../sysdeps/ieee754/dbl-64  -I../sysdeps/ieee754/flt-32  -I../sysdeps/wordsize-64  -I../sysdeps/ieee754  -I../sysdeps/generic  -I../nptl  -I../ports  -I.. -I../libio -I. -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.7/include -isystem /usr/lib/gcc/x86_64-linux-gnu/4.7/include-fixed -isystem /place/home/splinter/.brew/Cellar/linux-headers/3.18.27/include  -D_LIBC_REENTRANT -include ../include/libc-symbols.h  -DPIC -DSHARED     -o /tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_frexpl.os -MD -MP -MF /tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_frexpl.os.dt -MT /tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_frexpl.os
make[2]: *** [/tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_finite.os] Error 1
make[2]: *** Waiting for unfinished jobs....
../sysdeps/ieee754/dbl-64/wordsize-64/s_isnan.c:31:1: error: ‘__EI___isnan’ aliased to external symbol ‘__GI___isnan’
make[2]: *** [/tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_isnan.os] Error 1
../sysdeps/ieee754/flt-32/s_isnanf.c:37:1: error: ‘__EI___isnanf’ aliased to external symbol ‘__GI___isnanf’
make[2]: *** [/tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_isnanf.os] Error 1
../sysdeps/ieee754/flt-32/s_finitef.c:40:1: error: ‘__EI___finitef’ aliased to external symbol ‘__GI___finitef’
make[2]: *** [/tmp/glibc20160502-583195-1006ggl/glibc-2.19/build/math/s_finitef.os] Error 1
make[2]: Leaving directory `/tmp/glibc20160502-583195-1006ggl/glibc-2.19/math'
make[1]: *** [math/subdir_lib] Error 2
make[1]: Leaving directory `/tmp/glibc20160502-583195-1006ggl/glibc-2.19'
make: *** [all] Error 2
==> Formula
Path: /place/home/splinter/.brew/Library/Taps/homebrew/homebrew-core/Formula/glibc.rb
==> Configuration
HOMEBREW_VERSION: 0.9.8
ORIGIN: https://github.com/Linuxbrew/linuxbrew.git
HEAD: eec5059563a483a674ecabe01a3cec43811fa0d7
Last commit: 6 days ago
Core tap ORIGIN: https://github.com/Linuxbrew/homebrew-core
Core tap HEAD: ef0802e46c9a777989bea319dd042726d9a69e97
Core tap last commit: 3 hours ago
HOMEBREW_PREFIX: /place/home/splinter/.brew
HOMEBREW_REPOSITORY: /place/home/splinter/.brew
HOMEBREW_CELLAR: /place/home/splinter/.brew/Cellar
HOMEBREW_BOTTLE_DOMAIN: https://linuxbrew.bintray.com
CPU: 32-core 64-bit ivybridge
Kernel: Linux 3.18.20-25 x86_64 GNU/Linux
OS: Ubuntu 12.04.5 LTS
Codename: precise
OS glibc: 2.15
OS gcc: 4.6.3
Linuxbrew glibc: N/A
Linuxbrew gcc: N/A
Clang: N/A
X11: 2.7.8 => /usr
System Ruby: 2.3.1 => /place/home/splinter/.rvm/rubies/ruby-2.3.1/bin/ruby
Perl: /usr/local/bin/perl => /usr/bin/perl
Python: /usr/bin/python => /usr/bin/python2.7
Ruby: /place/home/splinter/.rvm/rubies/ruby-2.3.1/bin/ruby
Java: 1.6.0_38
==> ENV
CC: /usr/bin/gcc-4.7
CXX: /usr/bin/g++-4.7
OBJC: /usr/bin/gcc-4.7
OBJCXX: /usr/bin/g++-4.7
CFLAGS: -Os -w -pipe -march=core2
CXXFLAGS: -Os -w -pipe -march=core2
CPPFLAGS: -isystem/place/home/splinter/.brew/include
LDFLAGS: -L/place/home/splinter/.brew/lib
MAKEFLAGS: -j32
CMAKE_PREFIX_PATH: /place/home/splinter/.brew
PKG_CONFIG_LIBDIR: /place/home/splinter/.brew/lib/pkgconfig
PATH: /place/home/splinter/.rvm/gems/ruby-2.3.1/bin:/place/home/splinter/.rvm/gems/ruby-2.3.1@global/bin:/place/home/splinter/.rvm/rubies/ruby-2.3.1/bin:/place/home/splinter/.brew/bin:/place/home/splinter/.local/bin:/usr/local/cuda/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/place/home/splinter/.rvm/bin:/place/home/splinter/.brew/Library/ENV/scm
LD_LIBRARY_PATH: /usr/local/cuda/lib64

Error: glibc 2.19 did not build
Logs:
     /place/home/splinter/.cache/Homebrew/Logs/glibc/01.configure
     /place/home/splinter/.cache/Homebrew/Logs/glibc/02.make

These open issues may also help:
glibc: depends on gawk https://github.com/Linuxbrew/linuxbrew/issues/953
glibc: post_install fails with custom LC_ environment variables https://github.com/Linuxbrew/linuxbrew/issues/1054
glibc: Programs linked against brewed glibc fail to look up username from user id https://github.com/Linuxbrew/linuxbrew/issues/500
gcc: Glibc warning regarding _FORTIFY_SOURCE breaks gcc compilation https://github.com/Linuxbrew/linuxbrew/issues/803