Mailing List Archive

[xen stable-4.17] tools: Use PKG_CONFIG_FILE instead of PKG_CONFIG variable
commit 53bd16bcc0d0f5ed5d1ac6d6dc14bf6ecf2e2c43
Author: Bertrand Marquis <bertrand.marquis@arm.com>
AuthorDate: Fri Mar 3 08:02:30 2023 +0100
Commit: Jan Beulich <jbeulich@suse.com>
CommitDate: Fri Mar 3 08:02:30 2023 +0100

tools: Use PKG_CONFIG_FILE instead of PKG_CONFIG variable

Replace PKG_CONFIG variable name with PKG_CONFIG_FILE for the name of
the pkg-config file.
This is preventing a conflict in some build systems where PKG_CONFIG
actually contains the path to the pkg-config executable to use, as the
default assignment in libs.mk is using a weak assignment (?=).

This problem has been found when trying to build the latest version of
Xen tools using buildroot.

Fixes: d400dc5729e4 ("tools: tweak tools/libs/libs.mk for being able to support libxenctrl")
Signed-off-by: Bertrand Marquis <bertrand.marquis@arm.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
master commit: b97e2fe7b9e1f4706693552697239ac2b71efee4
master date: 2023-02-24 17:44:29 +0000
---
tools/libs/ctrl/Makefile | 2 +-
tools/libs/libs.mk | 16 ++++++++--------
2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/tools/libs/ctrl/Makefile b/tools/libs/ctrl/Makefile
index 93442ab389..15d0ae8e4e 100644
--- a/tools/libs/ctrl/Makefile
+++ b/tools/libs/ctrl/Makefile
@@ -4,7 +4,7 @@ include $(XEN_ROOT)/tools/Rules.mk
include Makefile.common

LIBHEADER := xenctrl.h xenctrl_compat.h
-PKG_CONFIG := xencontrol.pc
+PKG_CONFIG_FILE := xencontrol.pc
PKG_CONFIG_NAME := Xencontrol

NO_HEADERS_CHK := y
diff --git a/tools/libs/libs.mk b/tools/libs/libs.mk
index 3eb91fc8f3..3fab5aecff 100644
--- a/tools/libs/libs.mk
+++ b/tools/libs/libs.mk
@@ -1,7 +1,7 @@
# Common Makefile for building a lib.
#
# Variables taken as input:
-# PKG_CONFIG: name of pkg-config file (xen$(LIBNAME).pc if empty)
+# PKG_CONFIG_FILE: name of pkg-config file (xen$(LIBNAME).pc if empty)
# MAJOR: major version of lib (Xen version if empty)
# MINOR: minor version of lib (0 if empty)

@@ -26,7 +26,7 @@ ifneq ($(nosharedlibs),y)
TARGETS += lib$(LIB_FILE_NAME).so
endif

-PKG_CONFIG ?= $(LIB_FILE_NAME).pc
+PKG_CONFIG_FILE ?= $(LIB_FILE_NAME).pc
PKG_CONFIG_NAME ?= Xen$(LIBNAME)
PKG_CONFIG_DESC ?= The $(PKG_CONFIG_NAME) library for Xen hypervisor
PKG_CONFIG_VERSION := $(MAJOR).$(MINOR)
@@ -35,13 +35,13 @@ PKG_CONFIG_LIB := $(LIB_FILE_NAME)
PKG_CONFIG_REQPRIV := $(subst $(space),$(comma),$(strip $(foreach lib,$(patsubst ctrl,control,$(USELIBS_$(LIBNAME))),xen$(lib))))

ifneq ($(CONFIG_LIBXC_MINIOS),y)
-TARGETS += $(PKG_CONFIG)
-$(PKG_CONFIG): PKG_CONFIG_PREFIX = $(prefix)
-$(PKG_CONFIG): PKG_CONFIG_INCDIR = $(includedir)
-$(PKG_CONFIG): PKG_CONFIG_LIBDIR = $(libdir)
+TARGETS += $(PKG_CONFIG_FILE)
+$(PKG_CONFIG_FILE): PKG_CONFIG_PREFIX = $(prefix)
+$(PKG_CONFIG_FILE): PKG_CONFIG_INCDIR = $(includedir)
+$(PKG_CONFIG_FILE): PKG_CONFIG_LIBDIR = $(libdir)
endif

-PKG_CONFIG_LOCAL := $(PKG_CONFIG_DIR)/$(PKG_CONFIG)
+PKG_CONFIG_LOCAL := $(PKG_CONFIG_DIR)/$(PKG_CONFIG_FILE)

LIBHEADER ?= $(LIB_FILE_NAME).h
LIBHEADERS = $(foreach h, $(LIBHEADER), $(XEN_INCLUDE)/$(h))
@@ -103,7 +103,7 @@ install:: all
$(SYMLINK_SHLIB) lib$(LIB_FILE_NAME).so.$(MAJOR).$(MINOR) $(DESTDIR)$(libdir)/lib$(LIB_FILE_NAME).so.$(MAJOR)
$(SYMLINK_SHLIB) lib$(LIB_FILE_NAME).so.$(MAJOR) $(DESTDIR)$(libdir)/lib$(LIB_FILE_NAME).so
for i in $(LIBHEADERS); do $(INSTALL_DATA) $$i $(DESTDIR)$(includedir); done
- $(INSTALL_DATA) $(PKG_CONFIG) $(DESTDIR)$(PKG_INSTALLDIR)
+ $(INSTALL_DATA) $(PKG_CONFIG_FILE) $(DESTDIR)$(PKG_INSTALLDIR)

.PHONY: uninstall
uninstall::
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.17