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Use libtool -export-dynamic flag for portability 

The linker flag required for exporting symbols in executables varies
by platform.  libtool handles this with a single -export-dynamic
flag (not to be confused with the similarly-named ELF linker flag)
which tells it to use the correct platform-specific flag at link time.

Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Reviewed-by: Dan Nicholson <dbn.lists@gmail.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Yaakov Selkowitz 2010-02-24 02:56:59 -06:00
parent 2a11ffa977
commit 8e5de45513
1 changed files with 3 additions and 11 deletions
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14
configure.ac
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@ -1440,17 +1440,9 @@ UTILS_SYS_LIBS="${SYS_LIBS}"
AC_SUBST([UTILS_SYS_LIBS])
# The Xorg binary needs to export symbols so that they can be used from modules
# Some platforms require extra flags to do this. gcc should set these flags
# when -rdynamic is passed to it, other compilers/linkers may need to be added
# here.
if test "x$GCC" = "xyes"; then
LD_EXPORT_SYMBOLS_FLAG="-rdynamic"
fi
case $host_os in
openbsd*)
LD_EXPORT_SYMBOLS_FLAG="-Wl,--export-dynamic"
;;
esac
# Some platforms require extra flags to do this. libtool should set the
# necessary flags for each platform when -export-dynamic is passed to it.
LD_EXPORT_SYMBOLS_FLAG="-export-dynamic"
AC_SUBST([LD_EXPORT_SYMBOLS_FLAG])
dnl Imake defines SVR4 on SVR4 systems, and many files check for it, so