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golang: Add support for setting gcflags/ldflags from package Makefile

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This adds several variables for Go package Makefiles:
* GO_PKG_GCFLAGS - go tool compile arguments
* GO_PKG_LDFLAGS - go tool link arguments
* GO_PKG_LDFLAGS_X - go tool link -X definitions

Settings these will add the corresponding flags to the go install
command line. (Other command line arguments can still be added by
passing them as the first argument to GoPackage/Build/Compile.)

This also adds Go's runtime environment variables (GOGC, GOMAXPROCS,
GOTRACEBACK) to the unexport list.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>
This commit is contained in:
Jeffery To
2019-03-21 04:26:10 +08:00
committed by Yousong Zhou
parent d19533318e
commit 0d3ec704b0
2 changed files with 35 additions and 5 deletions
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37
lang/golang/golang-package.mk
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@@ -76,6 +76,28 @@ include $(GO_INCLUDE_DIR)/golang-values.mk
# not necessary.
#
# e.g. GO_PKG_GO_GENERATE:=1
#
#
# GO_PKG_GCFLAGS - list of arguments, default empty
#
# Additional go tool compile arguments to use when building targets.
#
# e.g. GO_PKG_GCFLAGS:=-N -l
#
#
# GO_PKG_LDFLAGS - list of arguments, default empty
#
# Additional go tool link arguments to use when building targets.
#
# e.g. GO_PKG_LDFLAGS:=-s -w
#
#
# GO_PKG_LDFLAGS_X - list of string variable definitions, default empty
#
# Each definition will be passed as the parameter to the -X go tool
# link argument, i.e. -ldflags "-X importpath.name=value"
#
# e.g. GO_PKG_LDFLAGS_X:=main.Version=$(PKG_VERSION) main.BuildStamp=$(SOURCE_DATE_EPOCH)
# Credit for this package build process (GoPackage/Build/Configure and
# GoPackage/Build/Compile) belong to Debian's dh-golang completely.
@@ -247,18 +269,25 @@ define GoPackage/Build/Compile
if [ "$(GO_PKG_SOURCE_ONLY)" != 1 ]; then \
echo "Building targets" ; \
case $(GO_ARCH) in \
arm) installsuffix="-installsuffix v$(GO_ARM)" ;; \
mips|mipsle) installsuffix="-installsuffix $(GO_MIPS)" ;; \
mips64|mips64le) installsuffix="-installsuffix $(GO_MIPS64)" ;; \
arm) installsuffix="v$(GO_ARM)" ;; \
mips|mipsle) installsuffix="$(GO_MIPS)" ;; \
mips64|mips64le) installsuffix="$(GO_MIPS64)" ;; \
esac ; \
trimpath="all=-trimpath=$(GO_PKG_BUILD_DIR)" ; \
ldflags="all=-linkmode external -extldflags '$(TARGET_LDFLAGS)'" ; \
pkg_gcflags="$(GO_PKG_GCFLAGS)" ; \
pkg_ldflags="$(GO_PKG_LDFLAGS)" ; \
for def in $(GO_PKG_LDFLAGS_X); do \
pkg_ldflags="$$$$pkg_ldflags -X $$$$def" ; \
done ; \
go install \
$$$$installsuffix \
$$$${installsuffix:+-installsuffix $$$$installsuffix} \
-gcflags "$$$$trimpath" \
-asmflags "$$$$trimpath" \
-ldflags "$$$$ldflags" \
-v \
$$$${pkg_gcflags:+-gcflags "$$$$pkg_gcflags"} \
$$$${pkg_ldflags:+-ldflags "$$$$pkg_ldflags"} \
$(1) \
$$$$targets ; \
retval=$$$$? ; \