OpenJDK / zgc / zgc
changeset 51200:9f781ce22e7d
8205649: Make clang stack flags independent of OS
Reviewed-by: erikj
| author | martin |
|---|---|
| date | Mon, 25 Jun 2018 20:58:01 -0700 |
| parents | c9f193a8b671 |
| children | e92d48cf94f9 |
| files | make/autoconf/flags-cflags.m4 |
| diffstat | 1 files changed, 6 insertions(+), 4 deletions(-) [+] |
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--- a/make/autoconf/flags-cflags.m4 Mon Jun 25 20:08:05 2018 -0700 +++ b/make/autoconf/flags-cflags.m4 Mon Jun 25 20:58:01 2018 -0700 @@ -491,6 +491,12 @@ # (see http://llvm.org/bugs/show_bug.cgi?id=7554) TOOLCHAIN_CFLAGS_JVM="$TOOLCHAIN_CFLAGS_JVM -flimit-debug-info" + # In principle the stack alignment below is cpu- and ABI-dependent and + # should agree with values of StackAlignmentInBytes in various + # src/hotspot/cpu/*/globalDefinitions_*.hpp files, but this value currently + # works for all platforms. + TOOLCHAIN_CFLAGS_JVM="$TOOLCHAIN_CFLAGS_JVM -mno-omit-leaf-frame-pointer -mstack-alignment=16" + if test "x$OPENJDK_TARGET_OS" = xlinux; then TOOLCHAIN_CFLAGS_JDK="-pipe" TOOLCHAIN_CFLAGS_JDK_CONLY="-fno-strict-aliasing" # technically NOT for CXX @@ -601,10 +607,6 @@ fi fi - if test "x$OPENJDK_TARGET_OS" = xmacosx; then - OS_CFLAGS_JVM="$OS_CFLAGS_JVM -mno-omit-leaf-frame-pointer -mstack-alignment=16" - fi - # Optional POSIX functionality needed by the JVM # # Check if clock_gettime is available and in which library. This indicates