Merge branch 'llvm-gcc-4.2-on-osx'

plugins/python-build/bin/python-build

@@ -622,30 +622,56 @@ fix_directory_permissions() {
 }
 
 require_gcc() {
-  local gcc="$(locate_gcc || true)"
+  require_cc "gcc"
+}
+
+require_cc() {
+  while [ -n "$1" ]; do
+    if [ "$1" = "--if" ]; then
+      "$2" || return 0
+      shift 2
+    else
+      break
+    fi
+  done
+
+  local cc
+  local ccname="${1:-cc}"
+  cc="$(locate_cc "$ccname" || true)"
+  if [ -n "$cc" ]; then
+    break
+  fi
 
-  if [ -z "$gcc" ]; then
+  if [ -z "$cc" ]; then
     local esc=$'\033'
     { echo
-      echo "${esc}[1mERROR${esc}[0m: This package must be compiled with GCC, but python-build couldn't"
-      echo "find a suitable \`gcc\` executable on your system. Please install GCC"
+      echo "${esc}[1mERROR${esc}[0m: This package must be compiled with $ccname, but python-build couldn't"
+      echo "find a suitable \`cc\` executable on your system. Please install $ccname"
       echo "and try again."
       echo
     } >&3
     return 1
   fi
+ 
+  export CC="$cc"
+} 
 
-  export CC="$gcc"
+locate_gcc() {
+  locate_cc "gcc" "$@"
 }
 
-locate_gcc() {
-  local gcc gccs
-  IFS=: gccs=($(gccs_in_path))
+locate_cc() {
+  local ccname="$1"; shift
+  if [ -z "$ccname" ]; then
+    return 1
+  fi
+  local cc ccs
+  IFS=: ccs=($(ccs_in_path "${ccname}"))
 
-  verify_gcc "$CC" ||
-  verify_gcc "$(command -v gcc || true)" || {
-    for gcc in "${gccs[@]}"; do
-      verify_gcc "$gcc" && break || true
+  verify_cc "${ccname}" "$CC" ||
+  verify_cc "${ccname}" "$(command -v "${ccname}" || true)" || {
+    for cc in "${ccs[@]}"; do
+      verify_cc "${ccname}" "$cc" && break || true
     done
   }
 
@@ -653,33 +679,49 @@ locate_gcc() {
 }
 
 gccs_in_path() {
-  local gcc path paths
-  local gccs=()
+  ccs_in_path "gcc" "$@"
+}
+
+ccs_in_path() {
+  local ccname="$1"; shift
+  if [ -z "$ccname" ]; then
+    return 1
+  fi
+  local cc path paths
+  local ccs=()
   IFS=: paths=($PATH)
 
   shopt -s nullglob
   for path in "${paths[@]}"; do
-    for gcc in "$path"/gcc-*; do
-      gccs["${#gccs[@]}"]="$gcc"
+    for cc in "$path"/${ccname}-*; do
+      ccs["${#ccs[@]}"]="$cc"
     done
   done
   shopt -u nullglob
 
-  printf :%s "${gccs[@]}"
+  printf :%s "${ccs[@]}"
 }
 
 verify_gcc() {
-  local gcc="$1"
-  if [ -z "$gcc" ]; then
+  verify_cc "gcc" "$@"
+}
+
+verify_cc() {
+  local ccname="$1"; shift
+  if [ -z "$ccname" ]; then
+    return 1
+  fi
+  local cc="$1"
+  if [ -z "$cc" ]; then
     return 1
   fi
 
-  local version="$("$gcc" --version || true)"
+  local version="$("$cc" --version || true)"
   if [ -z "$version" ]; then
     return 1
   fi
 
-  echo "$gcc"
+  echo "$cc"
 }
 
 has_broken_mac_openssl() {
@@ -730,6 +772,11 @@ has_broken_mac_readline() {
   return "$retval"
 }
 
+has_broken_mac_gcc_llvm() {
+  [ "$(uname -s)" = "Darwin" ] &&
+  [ "$(gcc --version 2>/dev/null || true)" = "llvm-gcc-4.2" ]
+}
+
 # Post-install check for Python 2.5.x
 build_package_verify_py25() {
   build_package_verify_readline "$@"

plugins/python-build/share/python-build/3.3-dev

@@ -1,4 +1,4 @@
-require_gcc
+require_cc --if has_broken_mac_gcc_llvm "clang"
 install_package "readline-6.2" "http://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#67948acb2ca081f23359d0256e9a271c" standard --if has_broken_mac_readline
 install_hg "Python-3.3-dev" "https://bitbucket.org/mirror/cpython" "3.3" standard verify_py33
 install_package "setuptools-0.7.4" "https://bitbucket.org/pypa/setuptools/downloads/setuptools-0.7.4.tar.gz#c0b8864b63c13312f5d9568c2a54247e" python

plugins/python-build/share/python-build/3.3.0

@@ -1,4 +1,4 @@
-require_gcc
+require_cc --if has_broken_mac_gcc_llvm "clang"
 install_package "readline-6.2" "http://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#67948acb2ca081f23359d0256e9a271c" standard --if has_broken_mac_readline
 install_package "Python-3.3.0" "http://python.org/ftp/python/3.3.0/Python-3.3.0.tgz#198a64f7a04d1d5e95ce2782d5fd8254" standard verify_py33
 install_package "setuptools-0.7.4" "https://bitbucket.org/pypa/setuptools/downloads/setuptools-0.7.4.tar.gz#c0b8864b63c13312f5d9568c2a54247e" python

plugins/python-build/share/python-build/3.3.1

@@ -1,4 +1,4 @@
-require_gcc
+require_cc --if has_broken_mac_gcc_llvm "clang"
 install_package "readline-6.2" "http://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#67948acb2ca081f23359d0256e9a271c" standard --if has_broken_mac_readline
 install_package "Python-3.3.1" "http://python.org/ftp/python/3.3.1/Python-3.3.1.tgz#c19bfd6ea252b61779a4f2996fb3b330" standard verify_py33
 install_package "setuptools-0.7.4" "https://bitbucket.org/pypa/setuptools/downloads/setuptools-0.7.4.tar.gz#c0b8864b63c13312f5d9568c2a54247e" python

plugins/python-build/share/python-build/3.3.2

@@ -1,4 +1,4 @@
-require_gcc
+require_cc --if has_broken_mac_gcc_llvm "clang"
 install_package "readline-6.2" "http://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#67948acb2ca081f23359d0256e9a271c" standard --if has_broken_mac_readline
 install_package "Python-3.3.2" "http://python.org/ftp/python/3.3.2/Python-3.3.2.tgz#0a2ea57f6184baf45b150aee53c0c8da" standard verify_py33
 install_package "setuptools-0.7.4" "https://bitbucket.org/pypa/setuptools/downloads/setuptools-0.7.4.tar.gz#c0b8864b63c13312f5d9568c2a54247e" python

plugins/python-build/share/python-build/3.4-dev

@@ -5,7 +5,7 @@ if ! pyenv-which python3.4 1>/dev/null 2>&1; then
   fi
 fi
 
-require_gcc
+require_cc --if has_broken_mac_gcc_llvm "clang"
 install_package "readline-6.2" "http://ftpmirror.gnu.org/readline/readline-6.2.tar.gz#67948acb2ca081f23359d0256e9a271c" standard --if has_broken_mac_readline
 install_hg "Python-3.4-dev" "https://bitbucket.org/mirror/cpython" "default" standard verify_py34
 install_package "setuptools-0.7.4" "https://bitbucket.org/pypa/setuptools/downloads/setuptools-0.7.4.tar.gz#c0b8864b63c13312f5d9568c2a54247e" python