lib/Makefile: only do symbol hiding if told to

This restores the ability to build a static lib with
--disable-symbol-hiding to keep non-curl_ symbols.

Researched-by: Dan Fandrich
Reported-by: Ran Mozes
Fixes #2830
Closes #2831

diff --git a/lib/Makefile.am b/lib/Makefile.am
index 277839824d3752f3841c88569f1ef2f46a74e26c..7e82d467e99b3122f6719aec00d629eaa2ea2f81 100644 (file)
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -107,8 +107,11 @@ endif
 if CURL_LT_SHLIB_USE_VERSIONED_SYMBOLS
 libcurl_la_LDFLAGS_EXTRA += -Wl,--version-script=libcurl.vers
 else
+# if symbol-hiding is enabled, hide them!
+if DOING_CURL_SYMBOL_HIDING
 libcurl_la_LDFLAGS_EXTRA += -export-symbols-regex '^curl_.*'
 endif
+endif
 
 if USE_CPPFLAG_CURL_STATICLIB
 libcurl_la_CPPFLAGS_EXTRA += -DCURL_STATICLIB