glibc/sysdeps/arm/configure.in
2010-03-26 18:12:56 +00:00

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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/arm.
AC_CACHE_CHECK([whether the CFI directive .cfi_sections is supported],
[libc_cv_asm_cfi_directive_sections],
[cat > conftest.s <<EOF
.text
.cfi_sections .debug_frame, .eh_frame
.cfi_startproc
.cfi_endproc
EOF
if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
libc_cv_asm_cfi_directive_sections=yes
else
libc_cv_asm_cfi_directive_sections=no
fi
rm -f conftest*])
if test $libc_cv_asm_cfi_directive_sections != yes; then
AC_MSG_ERROR([need .cfi_sections in this configuration])
fi