[BACK]Return to asm-underscore.m4 CVS log [TXT] [DIR] Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / libiconv / srcm4

Diff for /embedaddon/libiconv/srcm4/asm-underscore.m4 between versions 1.1.1.1 and 1.1.1.2

version 1.1.1.1, 2012/05/29 09:29:44 version 1.1.1.2, 2021/03/17 13:38:46
Line 1 Line 1
# asm-underscore.m4 serial 1# asm-underscore.m4 serial 4
dnl Copyright (C) 2010-2011 Free Software Foundation, Inc.dnl Copyright (C) 2010-2019 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation  dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,  dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.  dnl with or without modifications, as long as this notice is preserved.
Line 14  dnl From Bruno Haible. Based on as-underscore.m4 in GN Line 14  dnl From Bruno Haible. Based on as-underscore.m4 in GN
   
 AC_DEFUN([gl_ASM_SYMBOL_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 We don't use GCC's __USER_LABEL_PREFIX__ here, because
   dnl 1. It works only for GCC.    dnl 1. It works only for GCC.
   dnl 2. It is incorrectly defined on some platforms, in some GCC versions.    dnl 2. It is incorrectly defined on some platforms, in some GCC versions.
     AC_REQUIRE([gl_C_ASM])
   AC_CACHE_CHECK(    AC_CACHE_CHECK(
     [whether C symbols are prefixed with underscore at the linker level],      [whether C symbols are prefixed with underscore at the linker level],
     [gl_cv_prog_as_underscore],      [gl_cv_prog_as_underscore],
Line 27  extern "C" int foo (void); Line 29  extern "C" int foo (void);
 int foo(void) { return 0; }  int foo(void) { return 0; }
 EOF  EOF
      # Look for the assembly language name in the .s file.       # Look for the assembly language name in the .s file.
     AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c) >/dev/null 2>&1     AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS $gl_c_asm_opt conftest.c) >/dev/null 2>&1
     if grep _foo conftest.s >/dev/null ; then     if LC_ALL=C $EGREP '(^|[[^a-zA-Z0-9_]])_foo([[^a-zA-Z0-9_]]|$)' conftest.$gl_asmext >/dev/null; then
        gl_cv_prog_as_underscore=yes         gl_cv_prog_as_underscore=yes
      else       else
        gl_cv_prog_as_underscore=no         gl_cv_prog_as_underscore=no
Line 45  EOF Line 47  EOF
      either an underscore or empty.])       either an underscore or empty.])
   ASM_SYMBOL_PREFIX='"'${USER_LABEL_PREFIX}'"'    ASM_SYMBOL_PREFIX='"'${USER_LABEL_PREFIX}'"'
   AC_SUBST([ASM_SYMBOL_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'
       ])
 ])  ])
Removed from v.1.1.1.1  
changed lines
  Added in v.1.1.1.2

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>