From: "Steven Rostedt (VMware)" <rostedt@xxxxxxxxxxx>
Add pkg-config setup to install for pkg-config libtracecmd to return the
proper CFLAGS and LIB flags for building against libtracecmd.
Signed-off-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
---
Makefile | 24 ++++++++++++++++++++++--
libtracecmd.pc.template | 10 ++++++++++
scripts/utils.mk | 8 ++++++++
3 files changed, 40 insertions(+), 2 deletions(-)
create mode 100644 libtracecmd.pc.template
diff --git a/Makefile b/Makefile
index ea07e9ee7081..24b2b8f652f7 100644
--- a/Makefile
+++ b/Makefile
@@ -61,6 +61,8 @@ libdir ?= $(prefix)/lib
libdir_SQ = '$(subst ','\'',$(libdir))'
includedir = $(prefix)/include
includedir_SQ = '$(subst ','\'',$(includedir))'
+pkgconfig_dir ?= $(word 1,$(shell $(PKG_CONFIG) \
+ --variable pc_path pkg-config | tr ":" " "))
ifeq ($(prefix),/usr/local)
etcdir ?= /etc
@@ -196,6 +198,17 @@ objtree := $(BUILD_OUTPUT)
src := $(srctree)
obj := $(objtree)
+PKG_CONFIG_SOURCE_FILE = libtracecmd.pc
+PKG_CONFIG_FILE := $(addprefix $(BUILD_OUTPUT)/,$(PKG_CONFIG_SOURCE_FILE))
+
+define do_make_pkgconfig_file
+ cp -f $(srctree)/${PKG_CONFIG_SOURCE_FILE}.template ${PKG_CONFIG_FILE}; \
+ sed -i "s|INSTALL_PREFIX|${1}|g" ${PKG_CONFIG_FILE}; \
+ sed -i "s|LIB_VERSION|${LIBTRACECMD_VERSION}|g" ${PKG_CONFIG_FILE}; \
+ sed -i "s|LIB_DIR|$(libdir)|g" ${PKG_CONFIG_FILE}; \
+ sed -i "s|HEADER_DIR|$(includedir)/trace-cmd|g" ${PKG_CONFIG_FILE};
+endef
+
kshark-dir = $(src)/kernel-shark
export prefix bindir src obj kshark-dir
@@ -331,6 +344,9 @@ CMAKE_COMMAND = /usr/bin/cmake
# Build with "BUILD_TYPE=Release" to remove cmake debug info
BUILD_TYPE ?= RelWithDebInfo
+$(PKG_CONFIG_FILE) : ${PKG_CONFIG_SOURCE_FILE}.template
+ $(Q) $(call do_make_pkgconfig_file,$(prefix))
+
$(kshark-dir)/build/Makefile: $(kshark-dir)/CMakeLists.txt
$(Q) cd $(kshark-dir)/build && $(CMAKE_COMMAND) -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) -D_INSTALL_PREFIX=$(prefix) -D_LIBDIR=$(libdir) ..
@@ -435,7 +451,7 @@ install_python: force
install_bash_completion: force
$(Q)$(call do_install_data,$(src)/tracecmd/trace-cmd.bash,$(BASH_COMPLETE_DIR))
-install_cmd: all_cmd install_plugins install_python install_bash_completion
+install_cmd: all_cmd install_plugins install_python install_bash_completion install_pkgconfig
$(Q)$(call do_install,$(obj)/tracecmd/trace-cmd,$(bindir_SQ))
install: install_cmd
@@ -477,9 +493,13 @@ install_doc:
install_doc_gui:
$(MAKE) -C $(kshark-dir)/Documentation install
+install_pkgconfig: $(PKG_CONFIG_FILE)
+ $(Q)$(call , $(PKG_CONFIG_FILE)) \
+ $(call do_install_pkgconfig_file,$(prefix))
+
clean:
$(RM) *.o *~ *.a *.so .*.d
- $(RM) tags TAGS cscope*
+ $(RM) tags TAGS cscope* $(PKG_CONFIG_SOURCE_FILE)
$(MAKE) -C $(src)/lib/traceevent clean
$(MAKE) -C $(src)/lib/trace-cmd clean
$(MAKE) -C $(src)/lib/tracefs clean
diff --git a/libtracecmd.pc.template b/libtracecmd.pc.template
new file mode 100644
index 000000000000..dc41076ece7d
--- /dev/null
+++ b/libtracecmd.pc.template
@@ -0,0 +1,10 @@
+prefix=INSTALL_PREFIX
+libdir=LIB_DIR
+includedir=HEADER_DIR
+
+Name: libtracecmd
+URL: https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git/
+Description: Library for creating and reading trace-cmd data files
+Version: LIB_VERSION
+Cflags: -I${includedir}
+Libs: -L${libdir} -ltracecmd
diff --git a/scripts/utils.mk b/scripts/utils.mk
index 5c47cb420af0..2e79f1a6ca0e 100644
--- a/scripts/utils.mk
+++ b/scripts/utils.mk
@@ -144,3 +144,11 @@ define do_install_ld
fi \
fi
endef
+
+define do_install_pkgconfig_file
+ if [ -n "${pkgconfig_dir}" ]; then \
+ $(call do_install,$(PKG_CONFIG_FILE),$(pkgconfig_dir),644); \
+ else \
+ (echo Failed to locate pkg-config directory) 1>&2; \
+ fi
+endef
--
2.29.2
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