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author | Thomas White <taw@physics.org> | 2018-05-17 15:31:45 +0200 |
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committer | Thomas White <taw@physics.org> | 2018-05-17 15:39:22 +0200 |
commit | a9f48b6507b0326a34b84d7600f5eb791993eeb1 (patch) | |
tree | b89b6e73477125336c35c6d7d9996bd8ebae7fd7 /m4/warn-on-use.m4 | |
parent | 87fd650abf11da75e7abd2ff90821cf7cb041b91 (diff) | |
parent | a9f4c0ff4376267d90d6e8f9a0b6c012ec0588a4 (diff) |
Merge branch 'tom/cmake'
Diffstat (limited to 'm4/warn-on-use.m4')
-rw-r--r-- | m4/warn-on-use.m4 | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/m4/warn-on-use.m4 b/m4/warn-on-use.m4 deleted file mode 100644 index cc690f8e..00000000 --- a/m4/warn-on-use.m4 +++ /dev/null @@ -1,47 +0,0 @@ -# warn-on-use.m4 serial 5 -dnl Copyright (C) 2010-2014 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. - -# gl_WARN_ON_USE_PREPARE(INCLUDES, NAMES) -# --------------------------------------- -# For each whitespace-separated element in the list of NAMES, define -# HAVE_RAW_DECL_name if the function has a declaration among INCLUDES -# even after being undefined as a macro. -# -# See warn-on-use.h for some hints on how to poison function names, as -# well as ideas on poisoning global variables and macros. NAMES may -# include global variables, but remember that only functions work with -# _GL_WARN_ON_USE. Typically, INCLUDES only needs to list a single -# header, but if the replacement header pulls in other headers because -# some systems declare functions in the wrong header, then INCLUDES -# should do likewise. -# -# It is generally safe to assume declarations for functions declared -# in the intersection of C89 and C11 (such as printf) without -# needing gl_WARN_ON_USE_PREPARE. -AC_DEFUN([gl_WARN_ON_USE_PREPARE], -[ - m4_foreach_w([gl_decl], [$2], - [AH_TEMPLATE([HAVE_RAW_DECL_]AS_TR_CPP(m4_defn([gl_decl])), - [Define to 1 if ]m4_defn([gl_decl])[ is declared even after - undefining macros.])])dnl -dnl FIXME: gl_Symbol must be used unquoted until we can assume -dnl autoconf 2.64 or newer. - for gl_func in m4_flatten([$2]); do - AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl - AC_CACHE_CHECK([whether $gl_func is declared without a macro], - gl_Symbol, - [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$1], -[@%:@undef $gl_func - (void) $gl_func;])], - [AS_VAR_SET(gl_Symbol, [yes])], [AS_VAR_SET(gl_Symbol, [no])])]) - AS_VAR_IF(gl_Symbol, [yes], - [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1]) - dnl shortcut - if the raw declaration exists, then set a cache - dnl variable to allow skipping any later AC_CHECK_DECL efforts - eval ac_cv_have_decl_$gl_func=yes]) - AS_VAR_POPDEF([gl_Symbol])dnl - done -]) |