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Added option to disable libunwind linking 

This patch adds a configure option to enable or disable libunwind linking.
The patch also disables libunwind on ppc by default.
This commit is contained in:
Raphael Moreira Zinsly 2014-11-27 14:11:09 -02:00 committed by Aliaksey Kandratsenka
parent 3b94031d21
commit 8eb4ed785a
1 changed files with 19 additions and 6 deletions
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23
configure.ac
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@ -51,6 +51,10 @@ case "$host" in
*-darwin*) default_enable_heap_checker=no;;
esac
# Disable libunwind linking on ppc64 by default.
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [return __PPC64__])],
[default_enable_libunwind=no], [default_enable_libunwind=yes])
AC_ARG_ENABLE([cpu-profiler],
[AS_HELP_STRING([--disable-cpu-profiler],
[do not build the cpu profiler])],
@ -86,7 +90,11 @@ AC_ARG_ENABLE([stacktrace-via-backtrace],
[enable use of backtrace() for stacktrace capturing (may deadlock)])],
[enable_backtrace=yes],
[])
AC_ARG_ENABLE([libunwind],
[AS_HELP_STRING([--enable-libunwind],
[enable libunwind linking])],
[],
[enable_libunwind="$default_enable_libunwind"])
# Checks for programs.
AC_PROG_CXX
@ -127,7 +135,6 @@ AC_CHECK_HEADERS(sys/malloc.h) # where some versions of OS X put malloc.h
AC_CHECK_HEADERS(malloc/malloc.h) # another place OS X puts malloc.h (?)
AC_CHECK_HEADERS(glob.h) # for heap-profile-table (cleaning up profiles)
AC_CHECK_HEADERS(execinfo.h) # for stacktrace? and heapchecker_unittest
AC_CHECK_HEADERS(libunwind.h) # for stacktrace
AC_CHECK_HEADERS(unwind.h) # for stacktrace
AC_CHECK_HEADERS(sched.h) # for being nice in our spinlock code
AC_CHECK_HEADERS(conflict-signal.h) # defined on some windows platforms?
@ -211,10 +218,16 @@ fi
# Some tests test the behavior of .so files, and only make sense for dynamic.
AM_CONDITIONAL(ENABLE_STATIC, test "$enable_static" = yes)
# We want to link in libunwind or libexecinfo if it exists
AC_CHECK_LIB(unwind, backtrace, UNWIND_LIBS=-lunwind,
# We want to link in libunwind or libexecinfo if it it is enabled and exists.
if test "$enable_libunwind" = yes; then
AC_CHECK_HEADERS(libunwind.h) # for stacktrace
AC_CHECK_LIB(unwind, backtrace, UNWIND_LIBS=-lunwind,
[AC_CHECK_LIB(execinfo, backtrace, UNWIND_LIBS=-lexecinfo, UNWIND_LIBS=)])
AC_SUBST(UNWIND_LIBS)
AC_SUBST(UNWIND_LIBS)
else
AC_CHECK_LIB(execinfo, backtrace, UNWIND_LIBS=-lexecinfo, UNWIND_LIBS=)
AC_SUBST(UNWIND_LIBS)
fi
# On x86_64, instead of libunwind, we can choose to compile with frame-pointers.
AC_ARG_ENABLE(frame_pointers,