diff --git a/core/gcc/PKGBUILD b/core/gcc/PKGBUILD
index f8b443817..422dc3df6 100644
--- a/core/gcc/PKGBUILD
+++ b/core/gcc/PKGBUILD
@@ -16,7 +16,7 @@
 noautobuild=1
 
 pkgname=(gcc gcc-libs gcc-fortran gcc-objc gcc-go)
-pkgver=7.3.0
+pkgver=7.3.1+20180312
 _majorver=${pkgver:0:1}
 _islver=0.18
 pkgrel=1
@@ -25,23 +25,24 @@ arch=(x86_64)
 license=(GPL LGPL FDL custom)
 url='http://gcc.gnu.org'
 makedepends=(binutils libmpc doxygen)
+makedepends=(binutils libmpc doxygen python)
 checkdepends=(dejagnu inetutils)
 options=(!emptydirs !distcc)
-#source=(https://sources.archlinux.org/other/gcc/gcc-${pkgver/+/-}.tar.xz{,.sig}
-source=(https://ftp.gnu.org/gnu/gcc/gcc-$pkgver/gcc-$pkgver.tar.xz{,.sig}
+source=(https://sources.archlinux.org/other/gcc/gcc-${pkgver/+/-}.tar.xz{,.sig}
+#source=(https://ftp.gnu.org/gnu/gcc/gcc-$pkgver/gcc-$pkgver.tar.xz{,.sig}
         http://isl.gforge.inria.fr/isl-${_islver}.tar.bz2
         c89 c99
         0001-ARMv5-disable-LDRD-STRD.patch)
 validpgpkeys=(F3691687D867B81B51CE07D9BBE43771487328A9  # bpiotrowski@archlinux.org
               13975A70E63C361C73AE69EF6EEB81F8981C74C7) # richard.guenther@gmail.com
-sha256sums=('832ca6ae04636adbb430e865a1451adf6979ab44ca1c8374f61fba65645ce15c'
+sha256sums=('c52618f656f2102b3544419e7d0a8a4f4e6ff052783865202be73edf1a40e28b'
             'SKIP'
             '6b8b0fd7f81d0a957beb3679c81bbb34ccc7568d5682844d8924424a0dadcb1b'
             'de48736f6e4153f03d0a5d38ceb6c6fdb7f054e8f47ddd6af0a3dbf14f27b931'
             '2513c6d9984dd0a2058557bf00f06d8d5181734e41dcfe07be7ed86f2959622a'
             '31e24baa9eee826d7d77dbcf8f1a6a44c92f771e52d21677acb8d76fac7ae204')
 
-_svnrev=256757
+_svnrev=258469
 _svnurl=svn://gcc.gnu.org/svn/gcc/branches/gcc-${_majorver}-branch
 _libdir=usr/lib/gcc/$CHOST/${pkgver%%+*}
 
@@ -63,7 +64,7 @@ snapshot() {
 }
 
 prepare() {
-  ln -s gcc-${pkgver/+/-} gcc
+  [[ ! -d gcc ]] && ln -s gcc-${pkgver/+/-} gcc
   cd gcc
 
   # link isl for in-tree build
@@ -151,6 +152,7 @@ package_gcc-libs() {
   groups=(base)
   depends=('glibc>=2.26')
   options+=(!strip)
+  provides=(libgo.so libgfortran.so)
 
   cd gcc-build
   make -C $CHOST/libgcc DESTDIR="$pkgdir" install-shared
@@ -250,6 +252,10 @@ package_gcc() {
   # install the libstdc++ man pages
   make -C $CHOST/libstdc++-v3/doc DESTDIR="$pkgdir" doc-install-man
 
+  # byte-compile python libraries
+  python -m compileall "$pkgdir/usr/share/gcc-${pkgver%%+*}/"
+  python -O -m compileall "$pkgdir/usr/share/gcc-${pkgver%%+*}/"
+
   # Install Runtime Library Exception
   install -d "$pkgdir/usr/share/licenses/$pkgname/"
   ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \