43 lines
1.2 KiB
Diff
43 lines
1.2 KiB
Diff
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This patch provides an update so that nhc98 can be built and works with
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a modern C compiler (GCC 11) and libc (glibc 2.33).
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diff --git a/Makefile.inc b/Makefile.inc
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index 4fbd47a..5bce5c9 100644
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--- a/Makefile.inc
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+++ b/Makefile.inc
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@@ -1,6 +1,10 @@
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### Configurable variables:
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-OPT = -O3
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+# We want C89 semantics plus C++-style comments and things like the
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+# 'setjmp_buf' and 'u_short' types. More importantly, build with '-O1'
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+# only to avoid modern optimizations that break the code.
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+OPT = -O1 -std=gnu89 -D_GNU_SOURCE=1
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+
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#ARCH = -m32
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ARCH =
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diff --git a/script/nhc98heap.c b/script/nhc98heap.c
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index 534010e..a30d5cd 100644
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--- a/script/nhc98heap.c
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+++ b/script/nhc98heap.c
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@@ -1,5 +1,6 @@
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#include <stdlib.h>
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#include <stdio.h>
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+#include <ctype.h>
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main(int argc, char **argv)
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{
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int prefix = 1;
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diff --git a/src/runtime/Kernel/collector.c b/src/runtime/Kernel/collector.c
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index b95a273..1f879c5 100644
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--- a/src/runtime/Kernel/collector.c
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+++ b/src/runtime/Kernel/collector.c
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@@ -2,6 +2,7 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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+#include <unistd.h>
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#include "node.h"
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/*#include "newmacros.h" -- already included in node.h */
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/*#include "runtime.h" -- already included in node.h */
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