[Buildroot] [Bug 10246] New: BR2_ENABLE_DEBUG does not have the expected effect for cmake packages
bugzilla at busybox.net
bugzilla at busybox.net
Wed Aug 23 04:10:57 UTC 2017
https://bugs.busybox.net/show_bug.cgi?id=10246
Bug ID: 10246
Summary: BR2_ENABLE_DEBUG does not have the expected effect for
cmake packages
Product: buildroot
Version: 2017.05.1
Hardware: All
OS: Linux
Status: NEW
Severity: normal
Priority: P5
Component: Other
Assignee: unassigned at buildroot.uclibc.org
Reporter: joker.eph at gmail.com
CC: buildroot at uclibc.org
Target Milestone: ---
I've been bitten by the option BR2_ENABLE_DEBUG which does not exactly do what
the doc describes:
config BR2_ENABLE_DEBUG
bool "build packages with debugging symbols"
help
Build packages with debugging symbols enabled. All libraries
and binaries in the 'staging' directory will have debugging
symbols, which allows remote debugging even if libraries and
binaries are stripped on the target. Whether libraries and
binaries are stripped on the target is controlled by the
BR2_STRIP_* options below.
For a CMake package, this corresponds to `-DCMAKE_BUILD_TYPE=RelWithDebInfo`,
however currently buildroot will pass `-DCMAKE_BUILD_TYPE=Debug` which has the
effect of generating a *non-optimized* build (i.e. -O0).
I suggest the following patch:
diff --git a/package/pkg-cmake.mk b/package/pkg-cmake.mk
index db78d897d826..0a7bee685096 100644
--- a/package/pkg-cmake.mk
+++ b/package/pkg-cmake.mk
@@ -257,7 +257,7 @@ $(HOST_DIR)/share/buildroot/toolchainfile.cmake:
-e 's#@@TARGET_FC@@#$(subst $(HOST_DIR)/,,$(call
qstrip,$(TARGET_FC)))#' \
-e 's#@@CMAKE_SYSTEM_PROCESSOR@@#$(call
qstrip,$(CMAKE_SYSTEM_PROCESSOR))#' \
-e 's#@@TOOLCHAIN_HAS_FORTRAN@@#$(if
$(BR2_TOOLCHAIN_HAS_FORTRAN),1,0)#' \
- -e 's#@@CMAKE_BUILD_TYPE@@#$(if
$(BR2_ENABLE_DEBUG),Debug,Release)#' \
+ -e 's#@@CMAKE_BUILD_TYPE@@#$(if
$(BR2_ENABLE_DEBUG),RelWithDebInfo,Release)#' \
$(TOPDIR)/support/misc/toolchainfile.cmake.in \
> $@
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