build hosttools only when not available or required

adk/tools/depmaker.c

@@ -174,7 +174,7 @@ int main() {
 				!(strncmp(pkgdirp->d_name, "glibc", 5) == 0)) {
 				/* print result to stdout */
 				printf("package-$(ADK_COMPILE_%s) += %s\n", pkgvar, pkgdirp->d_name); 
-				printf("hostpackage-$(ADK_HOST_NEED_%s) += %s\n", pkgvar, pkgdirp->d_name); 
+				printf("hostpackage-$(ADK_HOST_BUILD_%s) += %s\n", pkgvar, pkgdirp->d_name); 
 			}
 
 			if ((pkgdeps = malloc(MAXLINE)) != NULL)

scripts/scan-tools.sh

@@ -208,37 +208,84 @@ if ! which g++ >/dev/null 2>&1; then
 	out=1
 fi
 
-host_need_file=0
-if ! which file >/dev/null 2>&1; then
-	echo "No file found, will build one."
-	host_need_file=1
-fi
-
-host_need_bc=0
+# always required, but can be provided by host
+host_build_bc=0
 if ! which bc >/dev/null 2>&1; then
 	echo "No bc found, will build one."
-	host_need_bc=1
+	host_build_bc=1
+fi
+
+host_build_bison=0
+if ! which bison >/dev/null 2>&1; then
+	echo "No bison found, will build one."
+	host_build_bison=1
 fi
 
-host_need_bzip2=0
+host_build_bzip2=0
 if ! which bzip2 >/dev/null 2>&1; then
 	echo "No bzip2 found, will build one."
-	host_need_bzip2=1
+	host_build_bzip2=1
 fi
 
-host_need_xz=0
+host_build_file=0
+if ! which file >/dev/null 2>&1; then
+	echo "No file found, will build one."
+	host_build_file=1
+fi
+
+host_build_flex=0
+if ! which flex >/dev/null 2>&1; then
+	echo "No flex found, will build one."
+	host_build_m4=1
+fi
+
+host_build_m4=0
+if ! which m4 >/dev/null 2>&1; then
+	echo "No m4 found, will build one."
+	host_build_m4=1
+fi
+
+host_build_xz=0
 if ! which xz >/dev/null 2>&1; then
 	echo "No xz found, will build one."
-	host_need_xz=1
+	host_build_xz=1
+fi
+
+# optional
+host_build_ccache=0
+if ! which ccache >/dev/null 2>&1; then
+	echo "No ccache found, will build one when required."
+	host_build_ccache=1
 fi
 
-echo "config ADK_HOST_NEED_TOOLS" > $topdir/target/config/Config.in.prereq
+host_build_lzma=0
+if ! which lzma >/dev/null 2>&1; then
+	echo "No lzma found, will build one when required."
+	host_build_lzma=1
+fi
+
+host_build_lzop=0
+if ! which lzop >/dev/null 2>&1; then
+	echo "No lzop found, will build one when required."
+	host_build_lzop=1
+fi
+
+
+echo "config ADK_HOST_BUILD_TOOLS" > $topdir/target/config/Config.in.prereq
 printf "\t%s\n" "boolean" >> $topdir/target/config/Config.in.prereq
 printf "\t%s\n" "default y" >> $topdir/target/config/Config.in.prereq
-if [ $host_need_xz -eq 1 ];then printf "\t%s\n" "select ADK_HOST_NEED_XZ" >> $topdir/target/config/Config.in.prereq ;fi
-if [ $host_need_bc -eq 1 ];then printf "\t%s\n" "select ADK_HOST_NEED_BC" >> $topdir/target/config/Config.in.prereq ;fi
-if [ $host_need_file -eq 1 ];then printf "\t%s\n" "select ADK_HOST_NEED_FILE" >> $topdir/target/config/Config.in.prereq ;fi
-if [ $host_need_bzip2 -eq 1 ];then printf "\t%s\n" "select ADK_HOST_NEED_BZIP2" >> $topdir/target/config/Config.in.prereq ;fi
+# always required
+if [ $host_build_bc -eq 1 ];then printf "\t%s\n" "select ADK_HOST_BUILD_BC" >> $topdir/target/config/Config.in.prereq ;fi
+if [ $host_build_bison -eq 1 ];then printf "\t%s\n" "select ADK_HOST_BUILD_BISON" >> $topdir/target/config/Config.in.prereq ;fi
+if [ $host_build_bzip2 -eq 1 ];then printf "\t%s\n" "select ADK_HOST_BUILD_BZIP2" >> $topdir/target/config/Config.in.prereq ;fi
+if [ $host_build_file -eq 1 ];then printf "\t%s\n" "select ADK_HOST_BUILD_FILE" >> $topdir/target/config/Config.in.prereq ;fi
+if [ $host_build_flex -eq 1 ];then printf "\t%s\n" "select ADK_HOST_BUILD_FLEX" >> $topdir/target/config/Config.in.prereq ;fi
+if [ $host_build_m4 -eq 1 ];then printf "\t%s\n" "select ADK_HOST_BUILD_M4" >> $topdir/target/config/Config.in.prereq ;fi
+if [ $host_build_xz -eq 1 ];then printf "\t%s\n" "select ADK_HOST_BUILD_XZ" >> $topdir/target/config/Config.in.prereq ;fi
+# optional
+if [ $host_build_ccache -eq 1 ];then printf "\t%s\n" "select ADK_HOST_BUILD_CCACHE if ADK_HOST_NEED_CCACHE" >> $topdir/target/config/Config.in.prereq ;fi
+if [ $host_build_lzma -eq 1 ];then printf "\t%s\n" "select ADK_HOST_BUILD_LZMA if ADK_HOST_NEED_LZMA" >> $topdir/target/config/Config.in.prereq ;fi
+if [ $host_build_lzop -eq 1 ];then printf "\t%s\n" "select ADK_HOST_BUILD_LZOP if ADK_HOST_NEED_LZOP" >> $topdir/target/config/Config.in.prereq ;fi
 
 cd $topdir
 rm -rf tmp

target/config/Config.in.tools

@@ -1,36 +1,59 @@
-config ADK_HOST_NEED_HEIRLOOM_CPIO
+# always required from OpenADK
+config ADK_HOST_BUILD_HEIRLOOM_CPIO
 	boolean
 	default y
 
-config ADK_HOST_NEED_MKCRYPT
+config ADK_HOST_BUILD_MKCRYPT
 	boolean
 	default y
 
-config ADK_HOST_NEED_BC
+# always required, but can be provided by host
+config ADK_HOST_BUILD_BASH
 	boolean
 	default n
 
-config ADK_HOST_NEED_FILE
+config ADK_HOST_BUILD_BC
 	boolean
 	default n
 
-config ADK_HOST_NEED_BZIP2
+config ADK_HOST_BUILD_BISON
 	boolean
 	default n
 
-config ADK_HOST_NEED_CDRTOOLS
+config ADK_HOST_BUILD_BZIP2
 	boolean
 	default n
 
-config ADK_HOST_NEED_SYSLINUX
+config ADK_HOST_BUILD_FILE
+	boolean
+	default n
+
+config ADK_HOST_BUILD_FLEX
 	boolean
 	default n
 
-config ADK_HOST_NEED_SQUASHFS
+config ADK_HOST_BUILD_M4
 	boolean
 	default n
 
-config ADK_HOST_NEED_MTD_UTILS
+config ADK_HOST_BUILD_XZ
+	boolean
+	default n
+
+# optional, but can be provided by host
+config ADK_HOST_NEED_CCACHE
+	boolean
+	default n
+
+config ADK_HOST_BUILD_CCACHE
+	boolean
+	default n
+
+config ADK_HOST_NEED_CDRTOOLS
+	boolean
+	default n
+
+config ADK_HOST_BUILD_CDRTOOLS
 	boolean
 	default n
 
@@ -38,7 +61,7 @@ config ADK_HOST_NEED_GENEXT2FS
 	boolean
 	default n
 
-config ADK_HOST_NEED_LZOP
+config ADK_HOST_BUILD_GENEXT2FS
 	boolean
 	default n
 
@@ -46,15 +69,15 @@ config ADK_HOST_NEED_LZMA
 	boolean
 	default n
 
-config ADK_HOST_NEED_XZ
+config ADK_HOST_BUILD_LZMA
 	boolean
 	default n
 
-config ADK_HOST_NEED_CCACHE
+config ADK_HOST_NEED_LZOP
 	boolean
 	default n
 
-config ADK_HOST_NEED_MKIMAGE
+config ADK_HOST_BUILD_LZOP
 	boolean
 	default n
 
@@ -62,7 +85,32 @@ config ADK_HOST_NEED_MKSH
 	boolean
 	default n
 
-config ADK_HOST_NEED_PCRE
+config ADK_HOST_BUILD_MKSH
+	boolean
+	default n
+
+config ADK_HOST_NEED_SYSLINUX
+	boolean
+	default n
+
+config ADK_HOST_BUILD_SYSLINUX
+	boolean
+	default n
+
+# optional, must be used from OpenADK
+config ADK_HOST_BUILD_MTD_UTILS
+	boolean
+	default n
+
+config ADK_HOST_BUILD_SQUASHFS
+	boolean
+	default n
+
+config ADK_HOST_BUILD_MKIMAGE
+	boolean
+	default n
+
+config ADK_HOST_BUILD_PCRE
 	boolean
 	default y if ADK_HOST_DARWIN
 	default n