commit 036e6260b0697c1da1d45d581eeae8366d4a7ceb
author Josh Gao <jmgao@google.com> Wed Aug 26 17:54:50 2015 -0700
committer Josh Gao <jmgao@google.com> Wed Aug 26 17:54:50 2015 -0700
tree a47f7c715cd5c3eccc194b3db96616c31f30d0d1
parent 7f5ecb65de94ea5e055abf10fb60b6b186ec6051

Make the tag to os/arch/bits/triplet helpers fail on unknown tag.

Change-Id: I54e7c8078e0289d5bd930be6e457334fb0b07eb7

build/tools/common-build-host-funcs.sh

diff --git a/build/tools/common-build-host-funcs.sh b/build/tools/common-build-host-funcs.sh
index 7a5a606..1a574dc 100644
--- a/build/tools/common-build-host-funcs.sh
+++ b/build/tools/common-build-host-funcs.sh
@@ -77,6 +77,7 @@
         linux-*) RET="linux";;
         darwin-*) RET="darwin";;
         windows|windows-*) RET="windows";;
+        *) echo "ERROR: Unknown tag $1" >&2; echo "INVALID"; exit 1;;
     esac
     echo $RET
 }
@@ -94,6 +95,7 @@
         *-mips64) RET=mips64;;
         windows|*-x86) RET=x86;;
         *-x86_64) RET=x86_64;;
+        *) echo "ERROR: Unknown tag $1" >&2; echo "INVALID"; exit 1;;
     esac
     echo $RET
 }
@@ -107,6 +109,7 @@
     case $1 in
         windows|*-x86|*-arm|*-mips) RET=32;;
         *-x86_64|*-arm64|*-mips64) RET=64;;
+        *) echo "ERROR: Unknown tag $1" >&2; echo "INVALID"; exit 1;;
     esac
     echo $RET
 }
@@ -130,6 +133,7 @@
         android-x86_64) RET=x86_64-linux-android;;
         android-mips) RET=mipsel-linux-android;;
         android-mips64) RET=mips64el-linux-android;;
+        *) echo "ERROR: Unknown tag $1" >&2; echo "INVALID"; exit 1;;
     esac
     echo "$RET"
 }
@@ -137,11 +141,14 @@
 
 bh_set_build_tag ()
 {
+  SAVED_OPTIONS=$(set +o)
+  set -e
   BH_BUILD_OS=$(bh_tag_to_os $1)
   BH_BUILD_ARCH=$(bh_tag_to_arch $1)
   BH_BUILD_BITS=$(bh_tag_to_bits $1)
   BH_BUILD_TAG=$BH_BUILD_OS-$BH_BUILD_ARCH
   BH_BUILD_CONFIG=$(bh_tag_to_config_triplet $1)
+  eval "$SAVED_OPTIONS"
 }
 
 # Set default BH_BUILD macros.
@@ -149,20 +156,26 @@
 
 bh_set_host_tag ()
 {
+  SAVED_OPTIONS=$(set +o)
+  set -e
   BH_HOST_OS=$(bh_tag_to_os $1)
   BH_HOST_ARCH=$(bh_tag_to_arch $1)
   BH_HOST_BITS=$(bh_tag_to_bits $1)
   BH_HOST_TAG=$BH_HOST_OS-$BH_HOST_ARCH
   BH_HOST_CONFIG=$(bh_tag_to_config_triplet $1)
+  eval "$SAVED_OPTIONS"
 }
 
 bh_set_target_tag ()
 {
+  SAVED_OPTIONS=$(set +o)
+  set -e
   BH_TARGET_OS=$(bh_tag_to_os $1)
   BH_TARGET_ARCH=$(bh_tag_to_arch $1)
   BH_TARGET_BITS=$(bh_tag_to_bits $1)
   BH_TARGET_TAG=$BH_TARGET_OS-$BH_TARGET_ARCH
   BH_TARGET_CONFIG=$(bh_tag_to_config_triplet $1)
+  eval "$SAVED_OPTIONS"
 }
 
 bh_sort_systems_build_first ()