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- configure --disable-flto option (from Robert Edmonds).
git-svn-id: file:///svn/unbound/trunk@2916 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards
parent
18e488ec5d
commit
13f2131a97
3 changed files with 42 additions and 25 deletions
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@ -2,7 +2,8 @@
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# Copyright 2009, Wouter Wijngaards, NLnet Labs.
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# BSD licensed.
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#
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# Version 23
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# Version 24
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# 2013-06-25 FLTO has --disable-flto option.
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# 2013-05-03 Update W32_SLEEP for newer mingw that links but not defines it.
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# 2013-03-22 Fix ACX_RSRC_VERSION for long version numbers.
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# 2012-02-09 Fix AHX_MEMCMP_BROKEN with undef in compat/memcmp.h.
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@ -407,19 +408,22 @@ int test() {
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dnl Check if CC supports -flto.
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dnl in a way that supports clang and suncc (that flag does something else,
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dnl but fails to link). It sets it in CFLAGS if it works.
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AC_DEFUN([ACX_CHECK_FLTO],
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[AC_MSG_CHECKING([if $CC supports -flto])
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BAKCFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -flto"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [
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if $CC $CFLAGS -o conftest conftest.c 2>&1 | grep "warning: no debug symbols in executable" >/dev/null; then
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CFLAGS="$BAKCFLAGS"
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AC_MSG_RESULT(no)
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else
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AC_MSG_RESULT(yes)
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fi
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rm -f conftest conftest.c conftest.o
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], [CFLAGS="$BAKCFLAGS" ; AC_MSG_RESULT(no)])
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AC_DEFUN([ACX_CHECK_FLTO], [
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AC_ARG_ENABLE([flto], AS_HELP_STRING([--disable-flto], [Disable link-time optimization]))
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AS_IF([test "x$enable_flto" != "xno"], [
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AC_MSG_CHECKING([if $CC supports -flto])
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BAKCFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -flto"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [
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if $CC $CFLAGS -o conftest conftest.c 2>&1 | grep "warning: no debug symbols in executable" >/dev/null; then
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CFLAGS="$BAKCFLAGS"
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AC_MSG_RESULT(no)
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else
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AC_MSG_RESULT(yes)
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fi
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rm -f conftest conftest.c conftest.o
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], [CFLAGS="$BAKCFLAGS" ; AC_MSG_RESULT(no)])
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])
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])
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dnl Check the printf-format attribute (if any)
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34
configure
vendored
34
configure
vendored
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@ -797,6 +797,7 @@ with_rootcert_file
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with_username
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enable_checking
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enable_debug
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enable_flto
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enable_shared
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enable_static
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with_pic
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@ -1454,6 +1455,7 @@ Optional Features:
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--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
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--enable-checking Enable warnings, asserts, makefile-dependencies
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--enable-debug same as enable-checking
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--disable-flto Disable link-time optimization
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--enable-shared[=PKGS] build shared libraries [default=yes]
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--enable-static[=PKGS] build static libraries [default=yes]
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--enable-fast-install[=PKGS]
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@ -5762,11 +5764,19 @@ $as_echo "#define UNBOUND_DEBUG /**/" >>confdefs.h
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# nothing to do.
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;;
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esac
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -flto" >&5
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# Check whether --enable-flto was given.
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if test "${enable_flto+set}" = set; then :
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enableval=$enable_flto;
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fi
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if test "x$enable_flto" != "xno"; then :
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports -flto" >&5
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$as_echo_n "checking if $CC supports -flto... " >&6; }
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BAKCFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -flto"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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BAKCFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -flto"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int
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@ -5779,15 +5789,15 @@ main ()
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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if $CC $CFLAGS -o conftest conftest.c 2>&1 | grep "warning: no debug symbols in executable" >/dev/null; then
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CFLAGS="$BAKCFLAGS"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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if $CC $CFLAGS -o conftest conftest.c 2>&1 | grep "warning: no debug symbols in executable" >/dev/null; then
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CFLAGS="$BAKCFLAGS"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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$as_echo "no" >&6; }
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else
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
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else
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
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$as_echo "yes" >&6; }
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fi
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rm -f conftest conftest.c conftest.o
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fi
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rm -f conftest conftest.c conftest.o
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else
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CFLAGS="$BAKCFLAGS" ; { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
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@ -5796,6 +5806,8 @@ fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
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$as_echo_n "checking for inline... " >&6; }
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@ -1,6 +1,7 @@
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25 Jun 2013: Wouter
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- Squelch sendto-permission denied errors when the network is
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not connected, to avoid spamming syslog.
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- configure --disable-flto option (from Robert Edmonds).
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18 Jun 2013: Wouter
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- Fix for const string literals in C++ for libunbound, from Karel
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