From 65385d4bb92c8938a48281462448d1efc6123920 Mon Sep 17 00:00:00 2001 From: Mark Hatle Date: Mon, 24 Jun 2013 09:44:56 -0500 Subject: systemtap: Systemtap can not be build w -O0 optimization Systemtap will fail with: ../usr/include/features.h:330:4: error: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) [-Werror=cpp] | # warning _FORTIFY_SOURCE requires compiling with optimization (-O) Use the same technique that eglibc uses to catch and correct the optimization level, changing to -O2. (From OE-Core rev: 9ceebb966e5294a270222475ab6317dcae2952fa) Signed-off-by: Mark Hatle Signed-off-by: Saul Wold Signed-off-by: Richard Purdie --- meta/recipes-kernel/systemtap/systemtap_git.inc | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'meta/recipes-kernel/systemtap') diff --git a/meta/recipes-kernel/systemtap/systemtap_git.inc b/meta/recipes-kernel/systemtap/systemtap_git.inc index edaab9772e..7be6c2baf1 100644 --- a/meta/recipes-kernel/systemtap/systemtap_git.inc +++ b/meta/recipes-kernel/systemtap/systemtap_git.inc @@ -19,3 +19,14 @@ COMPATIBLE_HOST = '(x86_64.*|i.86.*|powerpc.*|arm.*)-linux' S = "${WORKDIR}/git" +# systemtap can't be built without optimization, if someone tries to compile an +# entire image as -O0, we override it with -O2 here and give a note about it. +def get_optimization(d): + selected_optimization = d.getVar("SELECTED_OPTIMIZATION", True) + if base_contains("SELECTED_OPTIMIZATION", "-O0", "x", "", d) == "x": + bb.note("systemtap can't be built with -O0, -O2 will be used instead.") + return selected_optimization.replace("-O0", "-O2") + return selected_optimization + +SELECTED_OPTIMIZATION := "${@get_optimization(d)}" + -- cgit v1.2.3-54-g00ecf