add makefile target alias package/<name>/host/<target> for host builds

[openwrt.git] / include / prereq-build.mk

diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index 9b77a1b..0b396c8 100644 (file)
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@@ -20,11 +20,7 @@ $(eval $(call Require,non-root, \
 
 # Required for the toolchain
 define Require/working-make
-       echo 'all: test' > $(TMP_DIR)/check.mk
-       echo 'e0 = $$$$(foreach s,foobar,$$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
-       echo 'e1 = $$$$(foreach s,foobar, $$$$(eval $$$$s:))' >> $(TMP_DIR)/check.mk
-       echo 'test: $$$$(strip $$$$(e0)) $$$$(strip $$$$(e1))' >> $(TMP_DIR)/check.mk
-       $(NO_TRACE_MAKE) -f $(TMP_DIR)/check.mk
+       $(MAKE) -v | awk '($$$$1 == "GNU") && ($$$$2 = "Make") && ($$$$3 >= "3.81") { print "ok" }' | grep ok > /dev/null
 endef
 
 $(eval $(call Require,working-make, \
@@ -41,6 +37,20 @@ $(eval $(call Require,case-sensitive-fs, \
        OpenWrt can only be built on a case-sensitive filesystem \
 ))
 
+define Require/getopt
+       getopt --help 2>&1 | grep long >/dev/null
+endef
+$(eval $(call Require,getopt, \
+       Please install GNU getopt \
+))
+
+define Require/fileutils
+       gcp --help || cp --help
+endef
+$(eval $(call Require,fileutils, \
+       Please install GNU fileutils \
+))
+
 define Require/working-gcc
        echo 'int main(int argc, char **argv) { return 0; }' | \
                gcc -x c -o $(TMP_DIR)/a.out -
@@ -83,10 +93,6 @@ $(eval $(call RequireCommand,gawk, \
        Please install GNU awk. \
 ))
 
-$(eval $(call RequireCommand,bison, \
-       Please install GNU bison. \
-))
-
 $(eval $(call RequireCommand,flex, \
        Please install flex. \
 ))
@@ -107,6 +113,10 @@ $(eval $(call RequireCommand,perl, \
        Please install perl. \
 ))
 
+$(eval $(call RequireCommand,python, \
+       Please install python. \
+))
+
 $(eval $(call RequireCommand,wget, \
        Please install wget. \
 ))
@@ -119,19 +129,22 @@ $(eval $(call Require,gnutar, \
        Please install GNU tar. \
 ))
 
-define Require/git
-       which git-clone
-endef
-
-$(eval $(call Require,git, \
-       Please install git. \
-))
-
 $(eval $(call RequireCommand,svn, \
        Please install the subversion client. \
 ))
 
-$(eval $(call RequireCommand,autoconf, \
-       Please install GNU autoconf. \
+define Require/gnu-find
+       $(FIND) $(TMP_DIR) -lname foo
+endef
+
+$(eval $(call Require,gnu-find, \
+       Please install GNU find \
 ))
 
+define Require/getopt-extended
+       getopt --long - - >/dev/null
+endef
+
+$(eval $(call Require,getopt-extended, \
+       Please install an extended getopt version that supports --long \
+))