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authorAndre Heider <a.heider@gmail.com>2023-02-02 21:33:38 +0100
committerChristian Marangi <ansuelsmth@gmail.com>2023-03-21 18:28:22 +0100
commit07730ff3465d3cede3026cdd1c17453930f055ce (patch)
tree71c8f06b42de3b1ff0d1c02c0068d718c3a08a62 /package/libs/jansson/Makefile
parentda3700988d9e34e380bae21ee23d5458a7e972b4 (diff)
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treewide: add support for "lto" in PKG_BUILD_FLAGS
This reduces open coding and allows to easily add a knob to enable it treewide, where chosen packages can still opt-out via "no-lto". Some packages used LTO, but not the linker plugin. This unifies 'em all to attempt to produce better code. Quoting man gcc(1): "This improves the quality of optimization by exposing more code to the link-time optimizer." Also use -flto=auto instead of -flto=jobserver, as it's not guaranteed that every buildsystem uses +$(MAKE) correctly. Signed-off-by: Andre Heider <a.heider@gmail.com>
Diffstat (limited to 'package/libs/jansson/Makefile')
-rw-r--r--package/libs/jansson/Makefile5
1 files changed, 2 insertions, 3 deletions
diff --git a/package/libs/jansson/Makefile b/package/libs/jansson/Makefile
index d8567ed79a..e2b5206acb 100644
--- a/package/libs/jansson/Makefile
+++ b/package/libs/jansson/Makefile
@@ -19,6 +19,8 @@ PKG_LICENSE:=MIT
PKG_LICENSE_FILES:=LICENSE
PKG_CPE_ID:=cpe:/a:jansson_project:jansson
+PKG_BUILD_FLAGS:=lto
+
include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/cmake.mk
@@ -41,9 +43,6 @@ define Package/jansson/description
Jansson is a C library for encoding, decoding and manipulating JSON data
endef
-TARGET_CFLAGS += -flto
-TARGET_LDFLAGS += -flto
-
define Package/jansson/install
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libjansson*so.* $(1)/usr/lib/