From 8c670d8646abcfc2792c235a40cc552d3e042483 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sun, 22 Apr 2012 18:29:57 -0400
Subject: Better distinguish between build and host.

---
(limited to 'src')

diff --git a/src/opkbuild.sh b/src/opkbuild.sh
index 4915787..a9f87d8 100644
--- a/src/opkbuild.sh
+++ b/src/opkbuild.sh
@@ -68,11 +68,11 @@ while true; do
 			shift 2
 			;;
 		-a)
-			arch=${2}
+			host_arch=${2}
 			shift 2
 			;;
 		-p)
-			platform=${2}
+			host_platform=${2}
 			shift 2
 			;;
 		-d)
@@ -121,37 +121,39 @@ if [ "$(cat format)" != '1.0' ]; then
 	exit 1
 fi
 
-# If a host architecture is not specified ...
-if [ -z "${arch}" ]; then
-	# Attempt to detect the host architecture tuple.
-	arch=$(opkg print-architecture | sed -n \
-		's/^arch \([^ -][^ -]*-[^ -][^ -]*-[^ -][^ -]*\) [0-9][0-9]*$/\1/p')
-	if [ -z "${arch}" ]; then
-		printf 'opkbuild: Error: No installable architecture found\n' >&2
-		exit 1
-	elif [ $(echo "${arch}" | wc -l) -gt 1 ]; then
-		printf 'opkbuild: Error: Multiple installable architectures found\n' >&2
-		exit 1
-	fi
+# Attempt to detect the build architecture tuple.
+build_arch=$(opkg print-architecture | sed -n \
+	's/^arch \([^ -][^ -]*-[^ -][^ -]*-[^ -][^ -]*\) [0-9][0-9]*$/\1/p')
+if [ -z "${build_arch}" ]; then
+	printf 'opkbuild: Error: No installable architecture found\n' >&2
+	exit 1
+elif [ $(echo "${build_arch}" | wc -l) -gt 1 ]; then
+	printf 'opkbuild: Error: Multiple installable architectures found\n' >&2
+	exit 1
+fi
+
+# If a host architecture is not specified, natively build.
+if [ -z "${host_arch}" ]; then
+	host_arch="${build_arch}"
 fi
 
 # Attempt to detect the host platform.
 # If there no config files to copy, build platform-independent packages.
 if [ ! -f config ]; then
-	platform=''
+	host_platform=''
 # If a host platform was not specified ...
-elif [ -z "${platform}" ]; then
-	platform=$(opkg print-architecture | \
+elif [ -z "${host_platform}" ]; then
+	host_platform=$(opkg print-architecture | \
 		sed -n 's/^arch \([^ -][^ -]*\) [0-9][0-9]*$/\1/p' | \
 		grep -v 'all')
 	# ... and there are config files and zero installable platforms, fail.
-	if [ -z "${platform}" ]; then
+	if [ -z "${host_platform}" ]; then
 		printf 'opkbuild: Error: %s\n' \
 			'Building platform-dependent package and no platforms detected' >&2
 		exit 1
 	# ... and there are config files and multiple installable platforms, request
 	# explicit selection.
-	elif [ $(echo "${platform}" | wc -l) -gt 1 ]; then
+	elif [ $(echo "${host_platform}" | wc -l) -gt 1 ]; then
 		printf 'opkbuild: Error: %s\n' \
 			'Multiple platforms found while detecting host' >&2
 		exit 1
@@ -178,8 +180,8 @@ export OH_SRCPKG="${srcpkg}"
 export OH_PKGVER=${version}
 
 # Set environment variables for the build configuration.
-export OH_HOST_PLATFORM="${platform}"
-export OH_HOST_ARCH_DIST="${arch}"
+export OH_HOST_PLATFORM="${host_platform}"
+export OH_HOST_ARCH_DIST="${host_arch}"
 IFS=- read OH_HOST_ARCH_CPU OH_HOST_ARCH_KERNEL OH_HOST_ARCH_LIBS <<EOF
 ${OH_HOST_ARCH_DIST}
 EOF
--
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