File pcre-visibility.patch of Package pcre

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File pcre-visibility.patch of Package pcre (Revision 144139c0cd6a0517a246feefcbee90fe)

Currently displaying revision 144139c0cd6a0517a246feefcbee90fe , Show latest

--- configure.ac.orig
+++ configure.ac
@@ -672,6 +672,44 @@ if test "$enable_pcretest_libreadline" =
 fi
 AC_SUBST(LIBREADLINE)
 
+                                                                                                                                                                                                                                                                             
+    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 and SunPro C.                                                                                                                                                                                                                                            
+  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])                                                                                                                                                                                               
+    AC_HELP_STRING([--disable-hidden-symbols],[Leave all symbols with default visibility in library]),                                                                                                                                                                         
+    [ case "$enableval" in                                                                                                                                                                                                                                                     
+      no)                                                                                                                                                                                                                                                                      
+           AC_MSG_RESULT(no)                                                                                                                                                                                                                                                   
+           ;;                                                                                                                                                                                                                                                                  
+      *)                                                                                                                                                                                                                                                                       
+           AC_MSG_CHECKING([whether $CC supports it])                                                                                                                                                                                                                          
+           if test "$GCC" = yes ; then                                                                                                                                                                                                                                         
+             if $CC --help --verbose 2>&1 | grep fvisibility= > /dev/null ; then                                                                                                                                                                                               
+               AC_MSG_RESULT(yes)                                                                                                                                                                                                                                              
+             AC_DEFINE(PCRE_EXP_DECL, [extern __attribute__ ((visibility ("default")))], [to make a symbol visible])                                                                                                                                                         
+             AC_DEFINE(PCRE_EXP_DEFN, [__attribute__ ((visibility ("default")))], [to make a symbol visible])                                                                                                                                                                
+             AC_DEFINE(PCRE_EXP_DATA_DEFN, [__attribute__ ((visibility ("default")))], [to make a symbol visible])
+			  AC_DEFINE(PCREPOSIX_EXP_DECL, [extern __attribute__ ((visibility ("default")))], [to make a symbol visible])                                                                                                                                                           
+			  AC_DEFINE(PCREPOSIX_EXP_DEFN, [extern __attribute__ ((visibility ("default")))], [to make a symbol visible])                                                                                                                                                                  
+			  AC_DEFINE(PCRECPP_EXP_DECL, [extern __attribute__ ((visibility ("default")))], [to make a symbol visible])
+			  AC_DEFINE(PCRECPP_EXP_DEFN, [__attribute__ ((visibility ("default")))], [to make a symbol visible])		 
+             CFLAGS="$CFLAGS -fvisibility=hidden"
+			  CXXFLAGS="$CXXFLAGS -fvisibility=hidden -fvisibility-inlines-hidden"						 
+             else                                                                                                                                                                                                                                                              
+                AC_MSG_RESULT(no)                                                                                                                                                                                                                                              
+             fi                                                                                                                                                                                                                                                                
+                                                                                                                                                                                                                                                                               
+            fi                                                                                                                                                                                                                                                                 
+           ;;                                                                                                                                                                                                                                                                  
+      esac ],                                                                                                                                                                                                                                                                  
+           AC_MSG_RESULT(no)                                                                                                                                                                                                                                                   
+  ) 
+                                                    
 # Produce these files, in addition to config.h.
 AC_CONFIG_FILES(
 	Makefile
--- Makefile.am.orig
+++ Makefile.am
@@ -252,7 +252,7 @@ TESTS += RunGrepTest
 dist_noinst_SCRIPTS += RunGrepTest
 bin_PROGRAMS += pcregrep
 pcregrep_SOURCES = pcregrep.c
-pcregrep_LDADD = libpcreposix.la $(LIBZ) $(LIBBZ2)
+pcregrep_LDADD = libpcreposix.la libpcre.la $(LIBZ) $(LIBBZ2)
 
 EXTRA_DIST += \
   testdata/grepinput \

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File pcre-visibility.patch of Package pcre (Revision 144139c0cd6a0517a246feefcbee90fe)

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