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Date: Tue, 7 Jan 2020 20:28:41 +0900
From: Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
To: cygwin AT cygwin DOT com
Subject: Re: grap, anybody?
Message-Id: <20200107202841.5faa2d258c6ca62538433069@nifty.ne.jp>
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On Mon, 6 Jan 2020 16:39:43 -0500
"bonhard AT uklinux DOT net" wrote:
> I have a version of grap, being
> grap 1.42 compiled under CYGWIN_NT-6.1 1.5.25(0.156/4/2)
> compiled (guessing) more than a decade ago. It still works, which is a good
> thing, because if I try to compile the current version
> https://www.lunabase.org/~faber/Vault/software/grap/grap-1.45.tar.gz
> with the current Cygwin provision CYGWIN_NT-10.0-WOW 3.1.2(0.340/5/3) the
> process fails at make, after a successful ./configure.
> However, the executable I have does NOT work under the 64-bit version of
> Cygwin.
> Q1 Can anybody provide a fix to compile grap 1.45 for Cygwin32?
> Q2 Ditto Cygwin64 (or _any_ version of grap that works for Cygwin64)?
> Q3 Failing any hints or pointers for compilation (preferred) can anybody
> please provide a pointer to a grap executable that works for Cygwin64?

Try following patch.

--- configure.ac.orig	2014-08-31 00:33:45.000000000 +0900
+++ configure.ac	2020-01-07 08:43:59.559103700 +0900
@@ -45,10 +45,10 @@
 AC_MSG_CHECKING(if ${CXX} supports -std=c++0x)
 old_cxxflags="$CXXFLAGS"
 old_cppflags="$CPPFLAGS"
-CXXFLAGS="$CXXFLAGS -std=c++0x"
-CPPFLAGS="$CPPFLAGS -std=c++0x"
+CXXFLAGS="$CXXFLAGS -D_XOPEN_SOURCE=700"
+CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=700"
 AC_TRY_COMPILE([], [], [
-	CX0FLAGS="-std=c++0x"
+	CX0FLAGS=""
 	AC_MSG_RESULT(yes)
 	], [
 	CX0FLAGS=""

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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