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
