* Fix group comparison issue and associated compilation warnings by using

the alpm strcmp operation which takes void* references.
* We had this great visibility patch, but never actually took advantage of
  it. Added the right compile flag to make it work and added some more
  SYMEXPORTs where necessary to have a successful compile.

lib/libalpm/Makefile.am

@@ -8,7 +8,7 @@ include_HEADERS = alpm_list.h alpm.h
 localedir = $(datadir)/locale
 DEFS = -DLOCALEDIR=\"$(localedir)\" @DEFS@
 
-AM_CFLAGS = -pedantic -D_GNU_SOURCE $(CFLAGS)
+AM_CFLAGS = -fvisibility=hidden -pedantic -D_GNU_SOURCE $(CFLAGS)
 
 EXTRA_DIST = Doxyfile
 

lib/libalpm/add.c

@@ -60,7 +60,7 @@
 #include "remove.h"
 #include "handle.h"
 
-int SYMHIDDEN _alpm_add_loadtarget(pmtrans_t *trans, pmdb_t *db, char *name)
+int _alpm_add_loadtarget(pmtrans_t *trans, pmdb_t *db, char *name)
 {
 	pmpkg_t *info = NULL;
 	pmpkg_t *dummy;

lib/libalpm/alpm.c

@@ -1071,7 +1071,7 @@ int SYMEXPORT alpm_parse_config(char *file, alpm_cb_db_register callback, const
 /* This function is mostly the same as sync.c find_replacements and sysupgrade
  * functions, and we should be able to combine them - this is an interim
  * solution made for -Qu operation */
-alpm_list_t *alpm_get_upgrades()
+alpm_list_t SYMEXPORT *alpm_get_upgrades()
 {
 	alpm_list_t *syncpkgs = NULL;
 	alpm_list_t *i, *j, *k, *m;

lib/libalpm/alpm_list.c

@@ -427,7 +427,7 @@ int SYMEXPORT alpm_list_count(const alpm_list_t *list)
  *  @param haystack the list to search
  *  @return 1 if `needle` is found, 0 otherwise
  */
-int alpm_list_find(alpm_list_t *haystack, const void *needle)
+int SYMEXPORT alpm_list_find(alpm_list_t *haystack, const void *needle)
 {
 	alpm_list_t *lp = haystack;
 	while(lp) {
@@ -446,7 +446,7 @@ int alpm_list_find(alpm_list_t *haystack, const void *needle)
  *  @param haystack the list to search
  *  @return 1 if `needle` is found, 0 otherwise
  */
-int alpm_list_find_str(alpm_list_t *haystack, const char *needle)
+int SYMEXPORT alpm_list_find_str(alpm_list_t *haystack, const char *needle)
 {
 	alpm_list_t *lp = haystack;
 	while(lp) {

lib/libalpm/cache.c

@@ -213,8 +213,8 @@ int _alpm_db_load_grpcache(pmdb_t *db)
 				grp->packages = alpm_list_add_sorted(grp->packages,
 																						 /* gross signature forces us to
 																							* discard const */
-																						 (void *)alpm_pkg_get_name(pkg),
-																						 strcmp);
+																						 (void*)alpm_pkg_get_name(pkg),
+																						 _alpm_str_cmp);
 				db->grpcache = alpm_list_add_sorted(db->grpcache, grp, _alpm_grp_cmp);
 			} else {
 				alpm_list_t *j;
@@ -225,7 +225,9 @@ int _alpm_db_load_grpcache(pmdb_t *db)
 					if(strcmp(grp->name, i->data) == 0) {
 						const char *pkgname = alpm_pkg_get_name(pkg);
 						if(!alpm_list_find_str(grp->packages, pkgname)) {
-							grp->packages = alpm_list_add_sorted(grp->packages, (void *)pkgname, strcmp);
+							grp->packages = alpm_list_add_sorted(grp->packages,
+							                                     (void*)pkgname,
+																									 _alpm_str_cmp);
 						}
 					}
 				}

lib/libalpm/deps.c

@@ -424,7 +424,7 @@ alpm_list_t *_alpm_checkdeps(pmtrans_t *trans, pmdb_t *db, pmtranstype_t op,
 	return(baddeps);
 }
 
-pmdepend_t *alpm_splitdep(const char *depstring)
+pmdepend_t SYMEXPORT *alpm_splitdep(const char *depstring)
 {
 	pmdepend_t *depend;
 	char *ptr = NULL;

lib/libalpm/handle.c

@@ -123,7 +123,7 @@ int _alpm_handle_free(pmhandle_t *handle)
 
 alpm_cb_log alpm_option_get_logcb() { return (handle ? handle->logcb : NULL); }
 alpm_cb_download alpm_option_get_dlcb() { return (handle ? handle->dlcb : NULL); }
-unsigned short alpm_option_get_logmask() { return handle->logmask; }
+unsigned short SYMEXPORT alpm_option_get_logmask() { return handle->logmask; }
 const char SYMEXPORT *alpm_option_get_root() { return handle->root; }
 const char SYMEXPORT *alpm_option_get_dbpath() { return handle->dbpath; }
 const char SYMEXPORT *alpm_option_get_cachedir() { return handle->cachedir; }
@@ -139,7 +139,7 @@ unsigned short alpm_option_get_nopassiveftp() { return handle->nopassiveftp; }
 unsigned short SYMEXPORT alpm_option_get_chomp() { return handle->chomp; }
 unsigned short alpm_option_get_usecolor() { return handle->use_color; }
 
-pmdb_t *alpm_option_get_localdb() { return handle->db_local; }
+pmdb_t SYMEXPORT *alpm_option_get_localdb() { return handle->db_local; }
 alpm_list_t SYMEXPORT *alpm_option_get_syncdbs()
 {
 	return handle->dbs_sync;
@@ -151,7 +151,7 @@ void SYMEXPORT alpm_option_set_dlcb(alpm_cb_download cb) { handle->dlcb = cb; }
 
 void SYMEXPORT alpm_option_set_logmask(unsigned short mask) { handle->logmask = mask; }
 
-void alpm_option_set_root(const char *root)
+void SYMEXPORT alpm_option_set_root(const char *root)
 {
 	if(handle->root) FREE(handle->root);
 	/* According to the man page, realpath is safe to use IFF the second arg is
@@ -196,7 +196,7 @@ void SYMEXPORT alpm_option_set_dbpath(const char *dbpath)
 	}
 }
 
-void alpm_option_set_cachedir(const char *cachedir)
+void SYMEXPORT alpm_option_set_cachedir(const char *cachedir)
 {
 	if(handle->cachedir) FREE(handle->cachedir);
 	if(cachedir) {

lib/libalpm/versioncmp.c

@@ -247,7 +247,7 @@ int _alpm_versioncmp(const char *a, const char *b)
 	return(*one ? 1 : -1);
 }
 
-int alpm_depcmp(pmpkg_t *pkg, pmdepend_t *dep)
+int SYMEXPORT alpm_depcmp(pmpkg_t *pkg, pmdepend_t *dep)
 {
 	int equal = 0;