From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Lars Magne Ingebrigtsen Newsgroups: gmane.emacs.devel Subject: zlib autoconf question Date: Thu, 08 Aug 2013 13:14:49 +0200 Organization: Programmerer Ingebrigtsen Message-ID: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1375960516 9035 80.91.229.3 (8 Aug 2013 11:15:16 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 8 Aug 2013 11:15:16 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Thu Aug 08 13:15:19 2013 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1V7OBa-0000pe-Ez for ged-emacs-devel@m.gmane.org; Thu, 08 Aug 2013 13:15:18 +0200 Original-Received: from localhost ([::1]:48306 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V7OBa-0005mK-0a for ged-emacs-devel@m.gmane.org; Thu, 08 Aug 2013 07:15:18 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43322) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V7OBR-0005lY-4f for emacs-devel@gnu.org; Thu, 08 Aug 2013 07:15:16 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V7OBK-0001tv-GV for emacs-devel@gnu.org; Thu, 08 Aug 2013 07:15:09 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:50000) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V7OBK-0001nO-97 for emacs-devel@gnu.org; Thu, 08 Aug 2013 07:15:02 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1V7OBH-0000as-2J for emacs-devel@gnu.org; Thu, 08 Aug 2013 13:14:59 +0200 Original-Received: from cm-84.215.51.58.getinternet.no ([84.215.51.58]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 08 Aug 2013 13:14:59 +0200 Original-Received: from larsi by cm-84.215.51.58.getinternet.no with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 08 Aug 2013 13:14:59 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: emacs-devel@gnu.org Original-Lines: 33 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: cm-84.215.51.58.getinternet.no Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAIVBMVEUwMi75+eydo5BgZlT+ //L+//h/gm7+//v////BzMj+//Y1EW/uAAACIUlEQVQ4jZ2Uv6vbMBDHDwSGjIIseVORQeBNWCDI +MBdshVecOkULBBkb7Dp1qHYqz0UtDsU8lf2K8tx/B7p0oP4HH10P3y6E/Eo2+KdvHLiQd/ucj1O ch1faVvc/9VlWdc1fpfy+A3ggPV6JU14XAKYF7ooTdN1bX0paHudtnVraet6pG0ZQVOvQAPwAsB7 zvsdf5g1s0Xvd33v+6+L0d2ViJINrnJCVNkCnNPaOOtOFETvPwBnFGnSRm3eAV1JV0lFcHhGvm8z sFpnVgurEgCP6G9TutoEV1o7oXOR+QiCBTGrmCNWuUwMEcQYlEhiJ5ZIK6z3vo/gD4ARihHLUpZn DxA+0PzWyN+ciJ39bgWGRKTEtFJE+cMCZZd2wBpTBo8MdWu6Fll9Bgi1YIacIuazYBEAggtiCCG1 U6hA3s8guAqlYz4V0Crp/QLSkNPGpywUdwFwlRJZpQUiKU1sDbRLmc11yIzoXiuATzgEsnsdD0ou oDthH5m9zYMms1S3OwUn9uxkBaLoHGOgJAp5GltVQoYEzH4GXa2yxElrK3QKPl4voM0F1qwyQsgH eEF7MuFwuMoAS4TbzKBrVTUVBR1UWdIqggM61vc7HwRqGAafLWAlP4FDdb9/BL/4F86fWdwn5J9g /B9QPwNon0P5jGDOi3I15IunHwDTnLdx1JsWoxzmfLoycLccg9nlcpw03m7FfPsUxeE2Tvo2Yt9Y cP4XtEekOQ6R9KgAAAAASUVORK5CYII= Mail-Copies-To: never X-Now-Playing: Joni Mitchell's _Mingus_ User-Agent: Gnus/5.130008 (Ma Gnus v0.8) Emacs/24.3.50 (gnu/linux) Cancel-Lock: sha1:UCVZV3ryvt/EoZDqDRCP2cEjek0= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:162489 Archived-At: I'm not sure whether it's really necessary to check for zlib -- does Emacs even build without png support these days? -- but perhaps it is. Anyway, I wrote the obvious: AC_CHECK_LIB(z, inflateInit2, HAVE_ZLIB=yes, HAVE_ZLIB=no) And that fails with: /home/larsi/src/emacs/trunk/conftest.c:118: undefined reference to `inflateInit2' But inflateInit2 definitely exists (it's the function decompress.c uses). However, running strings over libz says: inflateReset inflateReset2 inflateInit2_ inflateInit_ And AC_CHECK_LIB(z, inflateInit2_, HAVE_ZLIB=yes, HAVE_ZLIB=no) works! What's up with that? -- (domestic pets only, the antidote for overdose, milk.) No Gnus T-Shirt for sale: http://ingebrigtsen.no/no.php and http://lars.ingebrigtsen.no/2013/08/twenty-years-of-september.html