* add autoheader for zlib and iconv detection

[citadel.git] / libcitadel / configure.in

diff --git a/libcitadel/configure.in b/libcitadel/configure.in
index 1d82e741a0bf5cf178c2d009aac01397fc1ef034..b70532b8ef22c9f426226f772fdafd698fe86e9d 100755 (executable)
--- a/libcitadel/configure.in
+++ b/libcitadel/configure.in
@@ -72,6 +72,79 @@ if test "x$ok_zlib" = xyes ; then
         AC_DEFINE(HAVE_ZLIB,[],[whether we have zlib])
 fi
 
+AC_CHECK_HEADERS(iconv.h)
+
+
+dnl Here is the check for a libc integrated iconv
+AC_ARG_ENABLE(iconv,
+       [  --disable-iconv         do not use iconv charset conversion],
+       ok_iconv=no, ok_iconv=yes)
+
+AC_MSG_CHECKING(Checking to see if your system supports iconv)
+AC_TRY_RUN([
+       #include <iconv.h>
+       main() {
+               iconv_t ic = (iconv_t)(-1) ;
+               ic = iconv_open("UTF-8", "us-ascii");
+               iconv_close(ic);
+               exit(0);
+       }
+ ],
+               [
+                 ok_iconv=yes
+                 AC_MSG_RESULT([yes])
+               ],
+               [ 
+                 ok_iconv=no
+                 AC_MSG_RESULT([no])
+               ]
+)
+
+dnl Check for iconv in external libiconv
+if test "$ok_iconv" = no; then
+       AC_MSG_CHECKING(Checking for an external libiconv)
+       OLD_LDFLAGS="$LDFLAGS"
+       LDFLAGS="$LDFLAGS -liconv"
+       AC_TRY_RUN([
+                       #include <iconv.h>
+                       main() {
+                               iconv_t ic = (iconv_t)(-1) ;
+                               ic = iconv_open("UTF-8", "us-ascii");
+                               iconv_close(ic);
+                       }
+               ],
+                       [
+                         ok_iconv=yes
+                         AC_MSG_RESULT([yes])
+                       ],
+                       [ 
+                         ok_iconv=no
+                         LDFLAGS="$OLD_LDFLAGS"
+                         AC_MSG_RESULT([no])
+                       ]
+               )
+fi     
+if test "$ok_iconv" != "no"; then
+       AC_MSG_RESULT(libcitadel will be built with character set conversion.)
+       AC_DEFINE(HAVE_ICONV,[],[whether we have iconv for charset conversion])
+else
+       AC_MSG_RESULT(libcitadel will be built without character set conversion.)
+fi
+
+
+AC_ARG_WITH(with_zlib,    [  --with-zlib             use zlib compression if present])
+dnl Checks for the zlib compression library.
+if test "x$with_zlib" != xno ; then
+        AC_CHECK_HEADERS(zlib.h,
+                [AC_CHECK_LIB(z, zlibVersion,
+                        [ok_zlib=yes],,
+        )])
+fi
+
+if test "x$ok_zlib" = xyes ; then
+        LIBS="-lz $LIBS"
+        AC_DEFINE(HAVE_ZLIB,[],[whether we have zlib])
+fi
 
 
 dnl Checks for typedefs, structures, and compiler characteristics.
@@ -81,6 +154,7 @@ AC_TYPE_SIZE_T
 AC_CHECK_FUNCS(memmove bcopy)
 
 AC_CONFIG_FILES(Makefile libcitadel.pc)
+AC_CONFIG_HEADER(sysdep.h)
 AC_OUTPUT
 
 abs_srcdir="`cd $srcdir && pwd`"
@@ -89,3 +163,4 @@ if test "$abs_srcdir" != "$abs_builddir"; then
   make mkdir-init
 fi
 echo 'zlib compression:                ' $ok_zlib
+echo 'Character set conversion support:' $ok_iconv