linux-kernel - [PATCH] config: Using HOSTPKG

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Message-Id: <20220301230629.1892828-1-ctshao@google.com>
Date:   Tue,  1 Mar 2022 23:06:28 +0000
From:   Chun-Tse Shao <ctshao@...gle.com>
To:     linux-kernel@...r.kernel.org
Cc:     ctshao@...gle.com, rostedt@...dmis.org,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kbuild@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH] config: Using HOSTPKG_CONFIG prefix for pkg-config

In some parts, pkg-config does not use appropriate $BUILDROOT prefix.
The patch adds HOSTPKG_CONFIG prefix for pkg-config to fix the issue.

Signed-off-by: Chun-Tse Shao <ctshao@...gle.com>
---
 Makefile               | 3 ++-
 scripts/Makefile       | 4 ++--
 scripts/dtc/Makefile   | 6 +++---
 tools/objtool/Makefile | 4 ++--
 4 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index daeb5c88b50b..f6c5bef7e141 100644
--- a/Makefile
+++ b/Makefile
@@ -430,6 +430,7 @@ else
 HOSTCC	= gcc
 HOSTCXX	= g++
 endif
+HOSTPKG_CONFIG	= pkg-config
 
 export KBUILD_USERCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \
 			      -O2 -fomit-frame-pointer -std=gnu89
@@ -525,7 +526,7 @@ KBUILD_LDFLAGS_MODULE :=
 KBUILD_LDFLAGS :=
 CLANG_FLAGS :=
 
-export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC
+export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC HOSTPKG_CONFIG
 export CPP AR NM STRIP OBJCOPY OBJDUMP READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL
 export PERL PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX
 export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD
diff --git a/scripts/Makefile b/scripts/Makefile
index ce5aa9030b74..f084f08ed176 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -14,8 +14,8 @@ hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE)	+= insert-sys-cert
 HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
 HOSTLDLIBS_sorttable = -lpthread
 HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
-HOSTCFLAGS_sign-file.o = $(shell pkg-config --cflags libcrypto 2> /dev/null)
-HOSTLDLIBS_sign-file = $(shell pkg-config --libs libcrypto 2> /dev/null || echo -lcrypto)
+HOSTCFLAGS_sign-file.o = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null)
+HOSTLDLIBS_sign-file = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
 
 ifdef CONFIG_UNWINDER_ORC
 ifeq ($(ARCH),x86_64)
diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile
index 95aaf7431bff..743fc08827ea 100644
--- a/scripts/dtc/Makefile
+++ b/scripts/dtc/Makefile
@@ -18,7 +18,7 @@ fdtoverlay-objs	:= $(libfdt) fdtoverlay.o util.o
 # Source files need to get at the userspace version of libfdt_env.h to compile
 HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt
 
-ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
+ifeq ($(shell $(HOSTPKG_CONFIG) --exists yaml-0.1 2>/dev/null && echo yes),)
 ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),)
 $(error dtc needs libyaml for DT schema validation support. \
 	Install the necessary libyaml development package.)
@@ -27,9 +27,9 @@ HOST_EXTRACFLAGS += -DNO_YAML
 else
 dtc-objs	+= yamltree.o
 # To include <yaml.h> installed in a non-default path
-HOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1)
+HOSTCFLAGS_yamltree.o := $(shell $(HOSTPKG_CONFIG) --cflags yaml-0.1)
 # To link libyaml installed in a non-default path
-HOSTLDLIBS_dtc	:= $(shell pkg-config yaml-0.1 --libs)
+HOSTLDLIBS_dtc	:= $(shell $(HOSTPKG_CONFIG) yaml-0.1 --libs)
 endif
 
 # Generated files need one more search path to include headers in source tree
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index 92ce4fce7bc7..549acc5859e9 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -19,8 +19,8 @@ LIBSUBCMD		= $(LIBSUBCMD_OUTPUT)libsubcmd.a
 OBJTOOL    := $(OUTPUT)objtool
 OBJTOOL_IN := $(OBJTOOL)-in.o
 
-LIBELF_FLAGS := $(shell pkg-config libelf --cflags 2>/dev/null)
-LIBELF_LIBS  := $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf)
+LIBELF_FLAGS := $(shell $(HOSTPKG_CONFIG) libelf --cflags 2>/dev/null)
+LIBELF_LIBS  := $(shell $(HOSTPKG_CONFIG) libelf --libs 2>/dev/null || echo -lelf)
 
 all: $(OBJTOOL)
 
-- 
2.35.1.574.g5d30c73bfb-goog