rpm: include shared library and pkg-config file

By default libtool choose dynamic library for linking. Since non-public
API is hidden in libstrophe.so check_parser has been broken. As solution
libtool takes static libstophe.a now.

.gitignore

@@ -22,9 +22,8 @@ autom4te.cache
 .sconsign*
 src/*.o
 examples/*.o
-tests/*.o
-tests/check_parser
 *.a
+*.pc
 *.tar.gz
 *.zip
 docs/html
@@ -35,7 +34,11 @@ examples/active
 examples/roster
 examples/bot
 test_stamp
+test-suite.log
 tests/*.o
+tests/*.log
+tests/*.trs
+tests/check_parser
 tests/test_base64
 tests/test_ctx
 tests/test_hash

ChangeLog

@@ -1,5 +1,6 @@
-TBA
+0.8.7
 	- SCRAM-SHA-1 authentication mechanism
+	- pkg-config support
 
 0.8.5
 	- libtoolize to generate .so

Makefile.am

@@ -36,6 +36,8 @@ endif
 include_HEADERS = strophe.h
 noinst_HEADERS = strophepp.h
 
+pkgconfig_DATA = libstrophe.pc
+
 EXTRA_DIST = docs
 
 ## Examples
@@ -61,3 +63,4 @@ tests_check_parser_SOURCES = tests/check_parser.c tests/test.h
 tests_check_parser_CFLAGS = @check_CFLAGS@ $(PARSER_CFLAGS) $(STROPHE_FLAGS) \
 	-I$(top_srcdir)/src
 tests_check_parser_LDADD = @check_LIBS@ $(STROPHE_LIBS)
+tests_check_parser_LDFLAGS = -static

configure.ac

@@ -12,8 +12,14 @@ AS_CASE([$host_os],
   [freebsd*], [PLATFORM="freebsd"],
   [PLATFORM="nix"])
 
-PKG_CHECK_MODULES([openssl], [openssl], [],
-            [AC_CHECK_HEADER(openssl/ssl.h, [openssl_LIBS="-lssl -lcrypto"], [AC_MSG_ERROR([openssl not found; openssl required])])])
+PKG_CHECK_MODULES([openssl], [openssl], [PC_REQUIRES+=(openssl)],
+            [AC_CHECK_HEADER([openssl/ssl.h],
+                             [
+                              openssl_LIBS="-lssl -lcrypto"
+                              PC_LIBS+=($openssl_LIBS)
+                             ],
+                             [AC_MSG_ERROR([openssl not found; openssl required])]
+                            )])
 
 PKG_CHECK_MODULES([check], [check >= 0.9.4], [], [AC_MSG_WARN([libcheck not found; unit tests will not be compilable])])
 
@@ -24,18 +30,35 @@ AC_ARG_WITH([libxml2],
 
 if test "x$with_libxml2" != xno; then
   PKG_CHECK_MODULES([libxml2], [libxml-2.0 >= 2.7],
-                    [with_libxml2=yes], [dummy=1])
-  if test "x$with_libxml2" != xyes; then
-    old_CFLAGS=$CFLAGS
-    CFLAGS="-I${includedir}/libxml2"
-    AC_CHECK_HEADER([libxml/parser.h],
-                    [with_libxml2=yes; libxml2_CFLAGS="-I${includedir}/libxml2"; libxml2_LIBS="-lxml2"],
-                    [AC_MSG_ERROR([libxml2 not found.])])
-    CFLAGS=$old_CFLAGS
-  fi
+                    [
+                     with_libxml2=yes
+                     PC_REQUIRES+=(libxml-2.0)
+                    ],
+                    [
+                     old_CFLAGS=$CFLAGS
+                     CFLAGS="-I${includedir}/libxml2"
+                     AC_CHECK_HEADER([libxml/parser.h],
+                                     [
+                                      with_libxml2=yes
+                                      libxml2_CFLAGS="-I${includedir}/libxml2"
+                                      libxml2_LIBS="-lxml2"
+                                      PC_LIBS+=($libxml2_LIBS)
+                                      PC_CFLAGS+=($libxml2_CFLAGS)
+                                     ],
+                                     [AC_MSG_ERROR([libxml2 not found.])])
+                     CFLAGS=$old_CFLAGS
+                    ])
 else
-  PKG_CHECK_MODULES([expat], [expat >= 2.0.0], [],
-                    [AC_CHECK_HEADER(expat.h, [expat_LIBS="-lexpat"], [AC_MSG_ERROR([expat not found; expat required.])])])
+  PKG_CHECK_MODULES([expat], [expat >= 2.0.0],
+                    [PC_REQUIRES+=(expat)],
+                    [AC_CHECK_HEADER([expat.h],
+                                     [
+                                      expat_LIBS="-lexpat"
+                                      PC_LIBS+=($expat_LIBS)
+                                     ],
+                                     [AC_MSG_ERROR([expat not found; expat required.])]
+                                    )
+                    ])
 fi
 
 if test "x$with_libxml2" = xyes; then
@@ -56,16 +79,30 @@ AC_SEARCH_LIBS([socket], [socket])
 if test "x$PLATFORM" != xfreebsd; then
         AC_CHECK_LIB([resolv], [res_query], [],
             [AC_CHECK_LIB([resolv], [__res_query], [],
-                [AC_MSG_ERROR([libresolv not found; libresolv required. ])])])
+                [AC_MSG_ERROR([libresolv not found; libresolv required.])])])
+        PC_LIBS+=(-lresolv)
 else
         AC_MSG_NOTICE([skipping libresolv checks for freebsd])
 fi
 
 AC_CHECK_HEADERS([arpa/nameser_compat.h])
 
+
+m4_ifdef([PKG_INSTALLDIR], [PKG_INSTALLDIR],
+        [AC_ARG_WITH([pkgconfigdir],
+                [AS_HELP_STRING([--with-pkgconfigdir],
+                        [install directory for libstrophe.pc pkg-config file])],
+                [],[with_pkgconfigdir='$(libdir)/pkgconfig'])
+        AC_SUBST([pkgconfigdir], [${with_pkgconfigdir}])])
+
 AM_CONDITIONAL([PARSER_EXPAT], [test x$with_parser != xlibxml2])
+
+AC_SUBST([PC_REQUIRES], [${PC_REQUIRES[[@]]}])
+AC_SUBST([PC_CFLAGS], [${PC_CFLAGS[[@]]}])
+AC_SUBST([PC_LIBS], [${PC_LIBS[[@]]}])
+
 AC_SUBST(PARSER_NAME)
 AC_SUBST(PARSER_CFLAGS)
 AC_SUBST(PARSER_LIBS)
-AC_CONFIG_FILES([Makefile])
+AC_CONFIG_FILES([Makefile libstrophe.pc])
 AC_OUTPUT

libstrophe.pc.in

@@ -0,0 +1,14 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: libstrophe
+Description: A simple, lightweight C library for writing XMPP clients
+URL: http://strophe.im/libstrophe/
+Version: @VERSION@
+Requires:
+Requires.private: @PC_REQUIRES@
+Libs: -L${libdir} -lstrophe
+Libs.private: @PC_LIBS@
+Cflags: -I${includedir} @PC_CFLAGS@

rpm/libstrophe.spec

@@ -8,12 +8,24 @@ License:	MIT/GPLv3
 URL:		http://strophe.im/libstrophe/
 Source0:	libstrophe_git.tar.gz
 
+BuildRequires:	automake
+BuildRequires:	libtool
+BuildRequires:	openssl-devel
 BuildRequires:	expat-devel
-Requires:		expat
+Requires:	expat
 
 %description
 XMPP library in C
 
+%package        devel
+Summary:        Headers and libraries for building apps that use libstrophe
+Group:          Development/Libraries
+Requires:       %{name} = %{version}-%{release}
+
+%description    devel
+This package contains headers and libraries required to build applications that
+use the strophe XMPP library.
+
 %prep
 %setup -n libstrophe
 ./bootstrap.sh
@@ -25,8 +37,21 @@ make %{?_smp_mflags}
 %install
 make install DESTDIR=%{buildroot}
 
+%post -p /sbin/ldconfig
+
+%postun -p /sbin/ldconfig
+
 %files
+%defattr(-,root,root,-)
+%{_libdir}/libstrophe.so*
+%doc
+
+%files devel
+%defattr(-,root,root,-)
 %{_libdir}/libstrophe.a
+%{_libdir}/libstrophe.la
+%{_libdir}/pkgconfig/libstrophe.pc
 %{_includedir}/strophe.h
+%doc
 
 %changelog

src/hash.c

@@ -250,12 +250,13 @@ const char * hash_iter_next(hash_iterator_t *iter)
 {
     hash_t *table = iter->table;
     hashentry_t *entry = iter->entry;
-    int i = iter->index + 1;
+    int i;
 
     /* advance until we find the next entry */
     if (entry != NULL) entry = entry->next;
     if (entry == NULL) {
 	/* we're off the end of list, search for a new entry */
+	i = iter->index + 1;
 	while (i < iter->table->length) {
 	    entry = table->entries[i];
 	    if (entry != NULL) {
@@ -266,7 +267,7 @@ const char * hash_iter_next(hash_iterator_t *iter)
 	}
     }
 
-    if ((entry == NULL) || (i >= table->length)) {
+    if (entry == NULL) {
 	/* no more keys! */
 	return NULL;
     }

src/sha1.c

@@ -90,19 +90,14 @@ A million repetitions of "a"
 
 #include "sha1.h"
 
+static uint32_t host_to_be(uint32_t i);
 static void SHA1_Transform(uint32_t state[5], const uint8_t buffer[64]);
 
 #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
 
 /* blk0() and blk() perform the initial expand. */
 /* I got the idea of expanding during the round function from SSLeay */
-/* FIXME: can we do this in an endian-proof way? */
-#ifdef WORDS_BIGENDIAN
-#define blk0(i) block->l[i]
-#else
-#define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
-    |(rol(block->l[i],8)&0x00FF00FF))
-#endif
+#define blk0(i) (block->l[i] = host_to_be(block->l[i]))
 #define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
     ^block->l[(i+2)&15]^block->l[i&15],1))
 
@@ -127,6 +122,26 @@ void SHAPrintContext(SHA1_CTX *context, char *msg){
 }
 #endif /* VERBOSE */
 
+static uint32_t host_to_be(uint32_t i)
+{
+#define le_to_be(i) ((rol((i),24) & 0xFF00FF00) | (rol((i),8) & 0x00FF00FF))
+#if defined(__BIG_ENDIAN__) || \
+    (defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \
+    __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
+    return i;
+#elif defined(__LITTLE_ENDIAN__) || \
+      (defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
+      __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
+    return le_to_be(i);
+#else /* fallback to run-time check */
+    static const union {
+        uint32_t u;
+        unsigned char c;
+    } check = {1};
+    return check.c ? le_to_be(i) : i;
+#endif
+}
+
 /* Hash a single 512-bit block. This is the core of the algorithm. */
 static void SHA1_Transform(uint32_t state[5], const uint8_t buffer[64])
 {