File cracklib-visibility.patch of Package cracklib

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File cracklib-visibility.patch of Package cracklib

--- lib/crack.h.orig
+++ lib/crack.h
@@ -5,6 +5,10 @@
 extern "C" {
 #endif
 
+#ifndef CRACKLIB_API
+#define CRACKLIB_API extern
+#endif
+
 /* Pass this function a password (pw) and a path to the
  * dictionaries (/usr/lib/cracklib_dict should be specified)
  * and it will either return a NULL string, meaning that the
@@ -13,11 +17,11 @@ extern "C" {
  * You must link with -lcrack
  */
 
-extern const char *FascistCheck(const char *pw, const char *dictpath);
+CRACKLIB_API const char *FascistCheck(const char *pw, const char *dictpath);
 
 /* This function returns the compiled in value for DEFAULT_CRACKLIB_DICT.
  */
-extern const char *GetDefaultCracklibDict(void);
+CRACKLIB_API const char *GetDefaultCracklibDict(void);
 
 #ifdef __cplusplus
 };
--- configure.in.orig
+++ configure.in
@@ -90,6 +90,45 @@ AM_CONDITIONAL(BUILD_PYTHON,[test "$buil
 dnl Handle local dict compiling properly
 AC_SUBST(CROSS_COMPILING, $cross_compiling)
 
+  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 $CC --help --verbose 2>&1 | grep fvisibility= > /dev/null ; then                                                                                                                                                                                                 
+             AC_MSG_RESULT(yes)                                                                                                                                                                                                                                                
+             AC_DEFINE(CRACKLIB_API, [extern __attribute__ ((visibility ("default")))], [to make a symbol visible])                                                                                                                                                                    
+             CFLAGS="$CFLAGS -fvisibility=hidden"                                                                                                                                                                                                                              
+           else                                                                                                                                                                                                                                                                
+              AC_MSG_RESULT(no)                                                                                                                                                                                                                                                
+            fi                                                                                                                                                                                                                                                                 
+                                                                                                                                                                                                                                                                               
+         else                                                                                                                                                                                                                                                                  
+           dnl Test for SunPro cc                                                                                                                                                                                                                                              
+           if $CC 2>&1 | grep flags >/dev/null && $CC -flags | grep xldscope= >/dev/null ; then                                                                                                                                                                                
+             AC_MSG_RESULT(yes)                                                                                                                                                                                                                                                
+             AC_DEFINE(CRACKLIB_API, [__global], [to make a symbol visible])                                                                                                                                                                                                    
+             CFLAGS="$CFLAGS -xldscope=hidden"                                                                                                                                                                                                                                 
+           else                                                                                                                                                                                                                                                                
+             AC_MSG_RESULT(no)                                                                                                                                                                                                                                                 
+           fi                                                                                                                                                                                                                                                                  
+         fi                                                                                                                                                                                                                                                                    
+         ;;                                                                                                                                                                                                                                                                    
+    esac ],                                                                                                                                                                                                                                                                    
+         AC_MSG_RESULT(no)                                                                                                                                                                                                                                                     
+  )
+                                                                       
 AC_OUTPUT(util/Makefile lib/Makefile doc/Makefile python/Makefile Makefile \
 		python/setup.py \
 		po/Makefile.in m4/Makefile dicts/Makefile cracklib.spec)
--- lib/packer.h.orig
+++ lib/packer.h
@@ -74,7 +74,7 @@ typedef struct
 #define PIH_MAGIC 0x70775631
 
 /* Internal routines */
-extern char *GetPW(PWDICT *pwp, uint32_t number);
+CRACKLIB_API char *GetPW(PWDICT *pwp, uint32_t number);
 
 #else
 
@@ -85,13 +85,13 @@ typedef struct {
 
 #endif
 
-extern PWDICT *PWOpen(const char *prefix, char *mode);
-extern int PWClose(PWDICT *pwp);
-extern unsigned int FindPW(PWDICT *pwp, char *string);
-extern int PutPW(PWDICT *pwp, char *string);
-extern int PMatch(char *control, char *string);
-extern char *Mangle(char *input, char *control);
-extern char Chop(char *string);
-extern char *Trim(char *string);
+CRACKLIB_API PWDICT *PWOpen(const char *prefix, char *mode);
+CRACKLIB_API int PWClose(PWDICT *pwp);
+CRACKLIB_API unsigned int FindPW(PWDICT *pwp, char *string);
+CRACKLIB_API int PutPW(PWDICT *pwp, char *string);
+CRACKLIB_API int PMatch(char *control, char *string);
+CRACKLIB_API char *Mangle(char *input, char *control);
+CRACKLIB_API char Chop(char *string);
+CRACKLIB_API char *Trim(char *string);
 
 #endif

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File cracklib-visibility.patch of Package cracklib

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