On Wed, Mar 2, 2022 at 11:36 AM Chun-Tse Shao <ctshao@xxxxxxxxxx> wrote: > > Add HOSTPKG_CONFIG to allow tooling that builds the kernel to override > what pkg-config and parameters are used. > > Signed-off-by: Chun-Tse Shao <ctshao@xxxxxxxxxx> I'm ok with this patch; a quick grep though shows a few more open coded instances of pkg-config. Should we fix those up, too? i.e. certs/Makefile:92:HOSTCFLAGS_extract-cert.o = $(shell pkg-config --cflags libcrypto 2> /dev/null) certs/Makefile:93:HOSTLDLIBS_extract-cert = $(shell pkg-config --libs libcrypto 2> /dev/null || echo -lcrypto) scripts/kconfig/gconf-cfg.sh tools/perf/Makefile.perf tools/ in general > --- > Makefile | 3 ++- > scripts/Makefile | 4 ++-- > scripts/dtc/Makefile | 6 +++--- > tools/objtool/Makefile | 4 ++-- > 4 files changed, 9 insertions(+), 8 deletions(-) > > diff --git a/Makefile b/Makefile > index daeb5c88b50b..f6c5bef7e141 100644 > --- a/Makefile > +++ b/Makefile > @@ -430,6 +430,7 @@ else > HOSTCC = gcc > HOSTCXX = g++ > endif > +HOSTPKG_CONFIG = pkg-config > > export KBUILD_USERCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \ > -O2 -fomit-frame-pointer -std=gnu89 > @@ -525,7 +526,7 @@ KBUILD_LDFLAGS_MODULE := > KBUILD_LDFLAGS := > CLANG_FLAGS := > > -export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC > +export ARCH SRCARCH CONFIG_SHELL BASH HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE LD CC HOSTPKG_CONFIG > export CPP AR NM STRIP OBJCOPY OBJDUMP READELF PAHOLE RESOLVE_BTFIDS LEX YACC AWK INSTALLKERNEL > export PERL PYTHON3 CHECK CHECKFLAGS MAKE UTS_MACHINE HOSTCXX > export KGZIP KBZIP2 KLZOP LZMA LZ4 XZ ZSTD > diff --git a/scripts/Makefile b/scripts/Makefile > index ce5aa9030b74..f084f08ed176 100644 > --- a/scripts/Makefile > +++ b/scripts/Makefile > @@ -14,8 +14,8 @@ hostprogs-always-$(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 > -- Thanks, ~Nick Desaulniers
