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8205649: Make clang stack flags independent of OS

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Reviewed-by: erikj
This commit is contained in:
Martin Buchholz 2018-06-25 20:58:01 -07:00
parent 9519826624
commit 5ef2f98d35
1 changed files with 6 additions and 4 deletions
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10
make/autoconf/flags-cflags.m4
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@ -491,6 +491,12 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
# (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$OPENJDK_TARGET_OS" = xlinux; then
TOOLCHAIN_CFLAGS_JDK="-pipe"
TOOLCHAIN_CFLAGS_JDK_CONLY="-fno-strict-aliasing" # technically NOT for CXX
@ -601,10 +607,6 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
fi
fi
if test "x$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