Re: [Xen-devel] [PATCH] tools: add link path flag for local build to pkg-config files

[Wei Liu <wei.liu2@xxxxxxxxxx>]

CC Anthony

On Thu, Feb 21, 2019 at 06:36:13PM +0100, Juergen Gross wrote:
> The qemu build process is requiring the link path of Xen libraries
> to be specified both with -L and -Wl,-rpath-link. Add the -L flag
> to the local pkg-config files.
> 
> At the same time let the pkg-config files depend on the Makefile
> creating them, too.
> 
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> ---
>  tools/Rules.mk | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/Rules.mk b/tools/Rules.mk
> index 68f2ed7ce1..f5613f73a7 100644
> --- a/tools/Rules.mk
> +++ b/tools/Rules.mk
> @@ -262,7 +262,7 @@ PKG_CONFIG_DIR ?= $(XEN_ROOT)/tools/pkg-config
>  
>  PKG_CONFIG_FILTER = $(foreach l,$(PKG_CONFIG_REMOVE),-e 's!\([ 
> ,]\)$(l),!\1!g' -e 's![ ,]$(l)$$!!g')
>  
> -$(PKG_CONFIG_DIR)/%.pc: %.pc.in Makefile
> +$(PKG_CONFIG_DIR)/%.pc: %.pc.in Makefile $(XEN_ROOT)/tools/Rules.mk
>       mkdir -p $(PKG_CONFIG_DIR)
>       @sed -e 's!@@version@@!$(PKG_CONFIG_VERSION)!g' \
>            -e 's!@@prefix@@!$(PKG_CONFIG_PREFIX)!g' \
> @@ -271,10 +271,10 @@ $(PKG_CONFIG_DIR)/%.pc: %.pc.in Makefile
>            -e 's!@@firmwaredir@@!$(XENFIRMWAREDIR)!g' \
>            -e 's!@@libexecbin@@!$(LIBEXEC_BIN)!g' \
>            -e 's!@@cflagslocal@@!$(PKG_CONFIG_CFLAGS_LOCAL)!g' \
> -          -e 's!@@libsflag@@!-Wl,-rpath-link=!g' \
> +          -e 's!@@libsflag@@\([^ ]*\)!-L\1 -Wl,-rpath-link=\1!g' \
>            $(PKG_CONFIG_FILTER) < $< > $@
>  
> -%.pc: %.pc.in Makefile
> +%.pc: %.pc.in Makefile $(XEN_ROOT)/tools/Rules.mk
>       @sed -e 's!@@version@@!$(PKG_CONFIG_VERSION)!g' \
>            -e 's!@@prefix@@!$(PKG_CONFIG_PREFIX)!g' \
>            -e 's!@@incdir@@!$(PKG_CONFIG_INCDIR)!g' \
> -- 
> 2.16.4
> 

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