Mercurial > hg > CbC > CbC_gcc

annotate config/asmcfi.m4 @ 158:494b0b89df80 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
...
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
111
kono
parents:
diff changeset
1 ;; Cribbed from libffi
kono
parents:
diff changeset
2
kono
parents:
diff changeset
3 AC_DEFUN([GCC_AS_CFI_PSEUDO_OP],
kono
parents:
diff changeset
4 [AC_CACHE_CHECK([assembler .cfi pseudo-op support],
kono
parents:
diff changeset
5 gcc_cv_as_cfi_pseudo_op, [
kono
parents:
diff changeset
6 gcc_cv_as_cfi_pseudo_op=unknown
kono
parents:
diff changeset
7 AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],,
kono
parents:
diff changeset
8 [gcc_cv_as_cfi_pseudo_op=yes],
kono
parents:
diff changeset
9 [gcc_cv_as_cfi_pseudo_op=no])
kono
parents:
diff changeset
10 ])
kono
parents:
diff changeset
11 if test "x$gcc_cv_as_cfi_pseudo_op" = xyes; then
kono
parents:
diff changeset
12 AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1,
kono
parents:
diff changeset
13 [Define if your assembler supports .cfi_* directives.])
kono
parents:
diff changeset
14 fi
kono
parents:
diff changeset
15 ])