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[ REQ 5531]: make lib under Linux
Just compiled the libraries under my linux system (gcc 2.7.0, libc 5.0.9, linux 1.2.7). Everything compiled well except for liboogl.a, which died when trying to compile $GEOMROOT/src/lib/oogl/util/futil.c. The problem is that the hack to check whether stdio uses the newer iostream package doesn't work, at least under this version of libc. Including <stdio.h> #defines _STDIO_USES_IOSTREAM to be 1. The closest thing I could find to what the original hack did was in <iostdio.h>, which #defined _IOSTDIO_H, not _IO_STDIO_H. I don't know when _IO_STDIO_H stopped being defined, nor do I know whether _STDIO_USES_IOSTREAM has been defined all along. It may be necessary to include both checks. Anyhow, the following patch (from $GEOMROOT) worked on my system, and may be necessary for others with a similar setup. Danek --- src/lib/oogl/util/futil.c.orig Fri Aug 18 17:00:26 1995 +++ src/lib/oogl/util/futil.c Fri Aug 18 17:00:39 1995 @@ -146,7 +146,7 @@ #define _ptr __ptr #endif -#if defined(__linux__) && !defined(_IO_STDIO_H) +#if defined(__linux__) && !defined(_STDIO_USES_IOSTREAM) /* Handle older (pre-1.0) Linux stdio fields, * making them look like later ones. */
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