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authorJörg Frings-Fürst <debian@jff.email>2022-01-08 11:51:07 +0100
committerJörg Frings-Fürst <debian@jff.email>2022-01-08 11:51:07 +0100
commitbe8efac78d067c138ad8dda03df4336e73f94887 (patch)
tree5f5254a628ba0ef72065b93d949d1c985742ea8e /gnulib-m4/asm-underscore.m4
parent7b65dbd4ebade81d504cfe5e681292a58ad1fdf0 (diff)
New upstream version 1.0upstream/1.0
Diffstat (limited to 'gnulib-m4/asm-underscore.m4')
-rw-r--r--gnulib-m4/asm-underscore.m472
1 files changed, 0 insertions, 72 deletions
diff --git a/gnulib-m4/asm-underscore.m4 b/gnulib-m4/asm-underscore.m4
deleted file mode 100644
index 58a5299..0000000
--- a/gnulib-m4/asm-underscore.m4
+++ /dev/null
@@ -1,72 +0,0 @@
-# asm-underscore.m4 serial 4
-dnl Copyright (C) 2010-2018 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl From Bruno Haible. Based on as-underscore.m4 in GNU clisp.
-
-# gl_ASM_SYMBOL_PREFIX
-# Tests for the prefix of C symbols at the assembly language level and the
-# linker level. This prefix is either an underscore or empty. Defines the
-# C macro USER_LABEL_PREFIX to this prefix, and sets ASM_SYMBOL_PREFIX to
-# a stringified variant of this prefix.
-
-AC_DEFUN([gl_ASM_SYMBOL_PREFIX],
-[
- AC_REQUIRE([AC_PROG_EGREP])
- dnl We don't use GCC's __USER_LABEL_PREFIX__ here, because
- dnl 1. It works only for GCC.
- dnl 2. It is incorrectly defined on some platforms, in some GCC versions.
- AC_REQUIRE([gl_C_ASM])
- AC_CACHE_CHECK(
- [whether C symbols are prefixed with underscore at the linker level],
- [gl_cv_prog_as_underscore],
- [cat > conftest.c <<EOF
-#ifdef __cplusplus
-extern "C" int foo (void);
-#endif
-int foo(void) { return 0; }
-EOF
- # Look for the assembly language name in the .s file.
- AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS $gl_c_asm_opt conftest.c) >/dev/null 2>&1
- if LC_ALL=C $EGREP '(^|[[^a-zA-Z0-9_]])_foo([[^a-zA-Z0-9_]]|$)' conftest.$gl_asmext >/dev/null; then
- gl_cv_prog_as_underscore=yes
- else
- gl_cv_prog_as_underscore=no
- fi
- rm -f conftest*
- ])
- if test $gl_cv_prog_as_underscore = yes; then
- USER_LABEL_PREFIX=_
- else
- USER_LABEL_PREFIX=
- fi
- AC_DEFINE_UNQUOTED([USER_LABEL_PREFIX], [$USER_LABEL_PREFIX],
- [Define to the prefix of C symbols at the assembler and linker level,
- either an underscore or empty.])
- ASM_SYMBOL_PREFIX='"'${USER_LABEL_PREFIX}'"'
- AC_SUBST([ASM_SYMBOL_PREFIX])
-])
-
-# gl_C_ASM
-# Determines how to produce an assembly language file from C source code.
-# Sets the variables:
-# gl_asmext - the extension of assembly language output,
-# gl_c_asm_opt - the C compiler option that produces assembly language output.
-
-AC_DEFUN([gl_C_ASM],
-[
- AC_EGREP_CPP([MicrosoftCompiler],
- [
-#ifdef _MSC_VER
-MicrosoftCompiler
-#endif
- ],
- [gl_asmext='asm'
- gl_c_asm_opt='-c -Fa'
- ],
- [gl_asmext='s'
- gl_c_asm_opt='-S'
- ])
-])