63 lines
2.1 KiB
Diff
63 lines
2.1 KiB
Diff
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gc/configure.ac: add check for NO_GETCONTEXT definition
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This patch is ported from bdwgc package. Since Gauche uses an internal
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copy of the boehm gc code, it is affected by the same problem.
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Both configure and configure.ac are modified because autoreconf fails
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due to an incompatibility with the version of the autotools used by
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Buildroot.
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Signed-off-by: Hiroshi Kawashima <kei-k@ca2.so-net.ne.jp>
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Original credits of patch in bdwgc package:
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Signed-off-by: Samuel Martin <s.martin49@gmail.com>
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[yann.morin.1998@free.fr: add a comment, change variable name, use
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AS_IF, remove debug traces, use AC_CHECK_FUNCS (as suggested by
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Thomas)]
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Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
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Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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diff -ur a/gc/configure b/gc/configure
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--- a/gc/configure 2015-11-12 21:41:02.394822056 +0900
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+++ b/gc/configure 2015-11-12 22:04:14.655157423 +0900
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@@ -16153,6 +16153,23 @@
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$as_echo "$ac_cv_fno_strict_aliasing" >&6; }
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fi
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+# Check for getcontext (uClibc can be configured without it, for example)
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+for ac_func in getcontext
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+do :
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+ ac_fn_c_check_func "$LINENO" "getcontext" "ac_cv_func_getcontext"
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+if test "x$ac_cv_func_getcontext" = xyes; then :
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+ cat >>confdefs.h <<_ACEOF
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+#define HAVE_GETCONTEXT 1
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+_ACEOF
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+
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+fi
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+done
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+
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+if test "$ac_cv_func_getcontext" = "no"; then :
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+ CFLAGS="$CFLAGS -DNO_GETCONTEXT"
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+ CPPFLAGS="$CPPFLAGS -DNO_GETCONTEXT"
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+fi
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+
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case "$host" in
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# While IRIX 6 has libdl for the O32 and N32 ABIs, it's missing for N64
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# and unnecessary everywhere.
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diff -ur a/gc/configure.ac b/gc/configure.ac
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--- a/gc/configure.ac 2015-11-12 22:31:44.851510997 +0900
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+++ b/gc/configure.ac 2015-11-12 22:33:39.292191227 +0900
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@@ -459,6 +459,12 @@
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AC_MSG_RESULT($ac_cv_fno_strict_aliasing)
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fi
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+# Check for getcontext (uClibc can be configured without it, for example)
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+AC_CHECK_FUNCS([getcontext])
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+AS_IF([test "$ac_cv_func_getcontext" = "no"],
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+ [CFLAGS="$CFLAGS -DNO_GETCONTEXT"
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+ CPPFLAGS="$CPPFLAGS -DNO_GETCONTEXT"])
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+
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case "$host" in
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# While IRIX 6 has libdl for the O32 and N32 ABIs, it's missing for N64
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# and unnecessary everywhere.
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