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Add --enable-symbolic-functions configure option

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Added --enable-symbolic-functions configure option.  This will detect
and pass -Bsymbolic-functions linker option, which gives you better
performance and smaller binary size.  Only recent binutils supports
this option.
This commit is contained in:
Takashi Iwai 2007-04-10 13:24:52 +02:00
parent 41dfdba7fb
commit 3b1153c435
2 changed files with 24 additions and 1 deletions
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17
configure.in
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@ -107,6 +107,23 @@ else
fi
AM_CONDITIONAL(VERSIONED_SYMBOLS, test x$versioned = xyes)
dnl Check for symbolic-functions
AC_MSG_CHECKING(for symbolic-functions)
AC_ARG_ENABLE(symbolic-functions,
AS_HELP_STRING([--enable-symbolic-functions],
[use -Bsymbolic-functions option if available (optmization for size and speed)]),
symfuncs="$enableval", symfuncs="no")
if test "$symfuncs" = "yes"; then
if ld --help | grep -q -- '-Bsymbolic-functions'; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(not supported by ld)
fi
else
AC_MSG_RESULT(no)
fi
AM_CONDITIONAL(SYMBOLIC_FUNCTIONS, test x"$symfuncs" = xyes)
dnl See if toolchain has a custom prefix for symbols ...
AC_MSG_CHECKING(for custom symbol prefixes)
SYMBOL_PREFIX=` \