diff options
| author | Dan Fandrich <dan@coneharvesters.com> | 2006-06-12 20:33:04 +0000 |
|---|---|---|
| committer | Dan Fandrich <dan@coneharvesters.com> | 2006-06-12 20:33:04 +0000 |
| commit | 59582a9d9dccada1cdc492168e089dc91f17b4fe (patch) | |
| tree | 4ba936dc78db87eb7859223ab4daa4fc7320eec6 /configure.ac | |
| parent | 6246bbc6563eb328ee34df81bf99e95723dbea5e (diff) | |
| download | curl-59582a9d9dccada1cdc492168e089dc91f17b4fe.tar.gz | |
Implemented --enable-hidden-symbols configure option to enable
-fvisibility=hidden on gcc >= 4.0. This reduces the size of the libcurl
binary and speeds up dynamic linking by hiding all the internal symbols from
the symbol table.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 41ebf6000..bb44612cf 100644 --- a/configure.ac +++ b/configure.ac @@ -1954,6 +1954,29 @@ AC_HELP_STRING([--disable-cookies],[Disable cookies support]), AC_MSG_RESULT(yes) ) +dnl ************************************************************ +dnl Enable hiding of internal symbols in library to reduce its size and +dnl speed dynamic linking of applications. This currently is only supported +dnl on gcc >= 4.0 +dnl +AC_MSG_CHECKING([whether to enable hidden symbols in the library]) +AC_ARG_ENABLE(hidden-symbols, +AC_HELP_STRING([--enable-hidden-symbols],[Hide internal symbols in library (gcc>=4)]) +AC_HELP_STRING([--disable-hidden-symbols],[Leave all symbols with default visibility in library]), +[ case "$enableval" in + no) + AC_MSG_RESULT(no) + ;; + *) AC_MSG_RESULT(yes) + AC_DEFINE(CURL_HIDDEN_SYMBOLS, 1, [to enable hidden symbols]) + AC_SUBST(CURL_HIDDEN_SYMBOLS) + CFLAGS="$CFLAGS -fvisibility=hidden" + ;; + esac ], + AC_MSG_RESULT(no) +) + +dnl ************************************************************ if test "x$ws2" = "xyes"; then dnl If ws2_32 is wanted, make sure it is the _last_ lib in LIBS (makes |