98204e8fea
Fix compilation on Mips. Resolve issues detected here:
http://autobuild.buildroot.net/results/f0c9db496233f53c26e92294d7305aa4511ec7b3/
http://autobuild.buildroot.net/results/8968690c248df86b040218867f92b573721e872c/
http://autobuild.buildroot.net/results/a35db8e6a49d022133b486b12f6a8e40b3c95b6e/
Also remove previous special case handling defined in libffi.mk.
[Thomas: add Signed-off-by from Jérôme inside the patch itself.]
Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
28 lines
1.0 KiB
Diff
28 lines
1.0 KiB
Diff
Newer MIPS toolchains use a different (compact) eh_frame format.
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libffi don't like them, so we have to switch to the older format.
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This patch add -mno-compact-eh to CFLAGS when compiling for
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Mips and compiler support it.
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Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
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--- a/configure.ac 2013-08-08 14:53:11.884267155 +0200
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+++ b/configure.ac 2013-08-08 14:54:14.437493244 +0200
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@@ -430,6 +430,16 @@
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AM_CONDITIONAL(FFI_EXEC_TRAMPOLINE_TABLE, test x$FFI_EXEC_TRAMPOLINE_TABLE = x1)
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AC_SUBST(FFI_EXEC_TRAMPOLINE_TABLE)
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+if test x$TARGET = xMIPS; then
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+ save_CFLAGS="$CFLAGS"
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+ CFLAGS=-mno-compact-eh
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+ AC_MSG_CHECKING([whether the C compiler needs -mno-compact-eh])
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+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
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+ [AC_MSG_RESULT([yes])]; [save_CFLAGS="$save_CFLAGS -mno-compact-eh"],
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+ [AC_MSG_RESULT([no])])
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+ CFLAGS="$save_CFLAGS"
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+fi
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+
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if test x$TARGET = xX86_64; then
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AC_CACHE_CHECK([assembler supports unwind section type],
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libffi_cv_as_x86_64_unwind_section_type, [
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