Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wCYox-0026qg-16 for pgsql-hackers@arkaria.postgresql.org; Tue, 14 Apr 2026 08:08:31 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wCYou-00Ad94-26 for pgsql-hackers@arkaria.postgresql.org; Tue, 14 Apr 2026 08:08:29 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wCYot-00Ad8w-1S for pgsql-hackers@lists.postgresql.org; Tue, 14 Apr 2026 08:08:29 +0000 Received: from fhigh-a8-smtp.messagingengine.com ([103.168.172.159]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wCYos-00000000wHW-0EZi for pgsql-hackers@postgresql.org; Tue, 14 Apr 2026 08:08:27 +0000 Received: from phl-compute-03.internal (phl-compute-03.internal [10.202.2.43]) by mailfhigh.phl.internal (Postfix) with ESMTP id 4BAD41400053 for ; Tue, 14 Apr 2026 04:08:25 -0400 (EDT) Received: from phl-frontend-04 ([10.202.2.163]) by phl-compute-03.internal (MEProxy); Tue, 14 Apr 2026 04:08:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eisentraut.org; h=cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:message-id:mime-version:reply-to :subject:subject:to:to; s=fm1; t=1776154105; x=1776240505; bh=rv 0dtZNgqMdZoMOlJs5k64hVa32oZrm1DXAk78PbRZc=; b=DarX0BUeLtaRF0ATZx TL/43kgVlBOZ9fWbGzNA878goKrk3nBhN1dRl3jRD2AAMtXzNxu2sjF0svGkhYdm U12T/P73VZaAYyh3eX6oGfMjtZxloyIe62TcJYVuIHp/hISRDiANngI4M0GfPhPW P2xKWnD6KmLqSbHVOcJHmtpeto5eTW/zoaPCSccxyOo9jZpZBFGBVH56+TPuAVW+ 4FUbMOtaMwUFiRf+Inf6lRyN+IsFmWjPF1NHEuriT46e+LnbHoUVuGtUlKON31wr Y+p8Nmp0AeNTyhRPYGfkDUZgMPasTZM0HgCH7GkIsUv8uGR0i15HMF4gnhhBt7SJ +G/A== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:message-id:mime-version:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t= 1776154105; x=1776240505; bh=rv0dtZNgqMdZoMOlJs5k64hVa32oZrm1DXA k78PbRZc=; b=ry/pDCl2PTGDc/N/48DxkK2+e113hCPr353Xt8PZeg/uo5OGq8p cGfrjZcjDiG4hzROqGck0yyTjPw0bB1TBLBJQEti4ciKHsXDJPnC1xs7N1imPeW/ GZl3kQcX01j2T5k3tytt9YlHOs3LrJO2prYxk8OYSy8/NYIXdFgZ8Bbzcum1Vi6L 68OL1BBSlO2Ud5xPf5BGtqYjSseFS/WLm59VdW52RcFy+EUnuyvgjpurWa0Zq4kW cC2OlSAXPgeCywnS5ABm7SsiIUTE/iujvUvdGgeyHxPgDXAcW2R0DNY5/pTtWmQV qYn03uRl+RSnui7QHJHfUMx93v0VmUH2DcA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefhedrtddtgdegtdeifecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpuffrtefokffrpgfnqfghnecuuegr ihhlohhuthemuceftddtnecunecujfgurhepkfffgggfhffuvfgtgfesthejredttddvje enucfhrhhomheprfgvthgvrhcugfhishgvnhhtrhgruhhtuceophgvthgvrhesvghishgv nhhtrhgruhhtrdhorhhgqeenucggtffrrghtthgvrhhnpeffteevuddtfeeljeevkeegfe etffeuueeggfefgeekvdduleevleehudffvdevheenucevlhhushhtvghrufhiiigvpedt necurfgrrhgrmhepmhgrihhlfhhrohhmpehpvghtvghrsegvihhsvghnthhrrghuthdroh hrghdpnhgspghrtghpthhtohepuddpmhhouggvpehsmhhtphhouhhtpdhrtghpthhtohep phhgshhqlhdqhhgrtghkvghrshesphhoshhtghhrvghsqhhlrdhorhhg X-ME-Proxy: Feedback-ID: ie0a040ee:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA for ; Tue, 14 Apr 2026 04:08:24 -0400 (EDT) Message-ID: <5508e572-79ae-4b20-84d0-010a66d077f2@eisentraut.org> Date: Tue, 14 Apr 2026 10:08:22 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US From: Peter Eisentraut Subject: meson html:alias vs. html:custom To: pgsql-hackers Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk When I run meson compile -C build html I get this error message: INFO: autodetecting backend as ninja ERROR: Can't invoke target `html`: ambiguous name. Add target type and/or path: - ./doc/src/sgml/html:custom - ./doc/src/sgml/html:alias If I follow that advice and run meson compile -C build html:alias or html:custom, then it works. The setup in doc/src/sgml/meson.build is html = custom_target('html', ...) alias_target('html', html) If I remove the alias_target, then my original command works. What is the purpose of this alias? (The equivalent problem exists for "man".)