configure.ac: add check for NO_GETCONTEXT definition
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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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---
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configure.ac | 6 ++++++
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1 file changed, 6 insertions(+)
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--- bdwgc-7.2f.orig/configure.ac 2014-06-01 19:00:47.000000000 +0200
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+++ bdwgc-7.2f/configure.ac 2014-12-23 14:13:11.585716713 +0100
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@@ -365,6 +365,12 @@
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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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