document and fix setpgrp overwrite

not all packages do the right overwrite of this variable.
uClibc does not need any arguments to setpgrp function.
Finetune package template accordingly.

package/.template/Makefile

@@ -23,12 +23,14 @@ $(eval $(call PKG_template,@UPKG@,$(PKG_NAME),$(PKG_VERSION)-${PKG_RELEASE},${PK
 CONFIGURE_STYLE:=	gnu
 # use following to add ./configure options
 #CONFIGURE_ARGS+=	--disable-foo
+# overwrite any configure variables
+#CONFIGURE_ENV+=	ac_cv_func_setpgrp_void=yes
 BUILD_STYLE:=		auto
 INSTALL_STYLE:=		auto
 
 # please install all files and directories to the package dir
 post-install:
-	$(INSTALL_DIR) $(IDIR_@UPKG@)/bin
+	$(INSTALL_DIR) $(IDIR_@UPKG@)/usr/bin
 	$(INSTALL_BIN) $(WRKINST)/usr/bin/@PKG@ $(IDIR_@UPKG@)/usr/bin
 
 include ${TOPDIR}/mk/pkg-bottom.mk

package/apr/Makefile

@@ -28,7 +28,8 @@ endif
 $(eval $(call PKG_template,APR,${PKG_NAME},${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 
 CONFIGURE_STYLE:=	gnu
-CONFIGURE_ENV+=		ac_cv_func_setpgrp_void=no
+# uClibc setpgrp does not take arguments
+CONFIGURE_ENV+=		ac_cv_func_setpgrp_void=yes
 CONFIGURE_ENV+=		ac_cv_sizeof_size_t=4
 CONFIGURE_ENV+=		ac_cv_sizeof_ssize_t=4
 CONFIGURE_ENV+=		ac_cv_file__dev_zero=yes

package/libdaemon/Makefile

@@ -14,16 +14,17 @@ PKG_SITES:=		http://0pointer.de/lennart/projects/libdaemon/
 
 include ${TOPDIR}/mk/package.mk
 
-$(eval $(call PKG_template,LIBDAEMON,libdaemon,${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
+$(eval $(call PKG_template,LIBDAEMON,${PKG_NAME},${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 
-CONFIGURE_STYLE=	gnu
+CONFIGURE_STYLE:=	gnu
+# uClibc setpgrp does not take arguments
 CONFIGURE_ENV+=		ac_cv_func_setpgrp_void=yes
 CONFIGURE_ARGS+=	--disable-lynx
-BUILD_STYLE=		auto
-INSTALL_STYLE=		auto confprog
+BUILD_STYLE:=		auto
+INSTALL_STYLE:=		auto
 
 post-install:
 	${INSTALL_DIR} ${IDIR_LIBDAEMON}/usr/lib
-	${CP} ${WRKINST}/usr/lib/libdaemon.so.* ${IDIR_LIBDAEMON}/usr/lib/
+	${CP} ${WRKINST}/usr/lib/libdaemon.so* ${IDIR_LIBDAEMON}/usr/lib/
 
 include ${TOPDIR}/mk/pkg-bottom.mk

package/mt-daapd/Makefile

@@ -6,11 +6,11 @@ include ${TOPDIR}/rules.mk
 PKG_NAME:=		mt-daapd
 PKG_VERSION:=		0.2.4
 PKG_RELEASE:=		10
-PKG_BUILDDEP+=		gdbm libid3tag
 PKG_MD5SUM:=		2e1cdbe6b94ef153e915806f80a28dca
 PKG_DESCR:=		a multi-threaded DAAP (Digital Audio Access Protocol) daemon
 PKG_SECTION:=		net
 PKG_DEPENDS:=		libgdbm libid3tag libpthread
+PKG_BUILDDEP+=		gdbm libid3tag
 PKG_URL:=		http://www.fireflymediaserver.org
 PKG_SITES:=		${MASTER_SITE_SOURCEFORGE:=mt-daapd/}
 
@@ -19,6 +19,7 @@ include ${TOPDIR}/mk/package.mk
 $(eval $(call PKG_template,MT_DAAPD,${PKG_NAME},${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 
 CONFIGURE_STYLE:=	gnu
+# uClibc setpgrp does not take arguments
 CONFIGURE_ENV+=		ac_cv_func_setpgrp_void=yes
 CONFIGURE_ARGS+=	--enable-mdns \
 			--disable-howl \

package/netperf/Makefile

@@ -17,7 +17,8 @@ include ${TOPDIR}/mk/package.mk
 
 $(eval $(call PKG_template,NETPERF,${PKG_NAME},${PKG_VERSION}${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 
-CONFIGURE_ENV+=		ac_cv_func_setpgrp_void=no
+# uClibc setpgrp does not take arguments
+CONFIGURE_ENV+=		ac_cv_func_setpgrp_void=yes
 CONFIGURE_STYLE:=	gnu
 BUILD_STYLE:=		auto
 INSTALL_STYLE:=		auto

package/privoxy/Makefile

@@ -6,12 +6,12 @@ include ${TOPDIR}/rules.mk
 PKG_NAME:=		privoxy
 PKG_VERSION:=		3.0.15
 PKG_RELEASE:=		1
-PKG_BUILDDEP+=		pcre
 PKG_VARIANT:=		beta
 PKG_MD5SUM:=		6571dc9524e945e79c2af62fefe7b107
 PKG_DESCR:=		web proxy with advanced filtering capabilities
 PKG_SECTION:=		net
-PKG_DEPENDS:=		libpthread
+PKG_DEPENDS:=		libpthread libpcre
+PKG_BUILDDEP+=		pcre
 PKG_URL:=		http://www.privoxy.org
 PKG_SITES:=		${MASTER_SITE_SOURCEFORGE:=ijbswa/}
 
@@ -27,7 +27,8 @@ CONFIGURE_STYLE:=	gnu
 CONFIGURE_ARGS+=	--disable-editor \
 			--disable-jar-files \
 			--sysconfdir=/etc/privoxy
-CONFIGURE_ENV+=		ac_cv_func_setpgrp_void=no \
+# uClibc setpgrp does not take arguments
+CONFIGURE_ENV+=		ac_cv_func_setpgrp_void=yes \
 			ac_cv_lib_nsl_gethostbyname=no
 BUILD_STYLE:=		auto
 MAKE_FLAGS+=		SPECIAL_CFLAGS='${TLDFLAGS}'

package/ruby/Makefile

@@ -20,6 +20,7 @@ MAKE_FILE:=		GNUmakefile
 XAKE_FLAGS+=		optflags='' debugflags=''
 CONFIGURE_STYLE:=	gnu
 CONFIGURE_ARGS+=	--enable-wide-getaddrinfo
+# uClibc setpgrp does not take arguments
 CONFIGURE_ENV+=         ac_cv_func_setpgrp_void=yes
 BUILD_STYLE:=		auto
 INSTALL_STYLE:=		auto

package/wccpd/Makefile

@@ -16,6 +16,7 @@ include ${TOPDIR}/mk/package.mk
 $(eval $(call PKG_template,WCCPD,${PKG_NAME},${PKG_VERSION}-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
 
 CONFIGURE_STYLE:=	gnu
+# uClibc setpgrp does not take arguments
 CONFIGURE_ENV+=		ac_cv_func_setpgrp_void=yes
 CONFIGURE_ARGS+=	--enable-static \
 			--with-gnu-ld