101 lines
2.8 KiB
Plaintext
101 lines
2.8 KiB
Plaintext
# Nathan's Common Config -*- mode:autoconf -*-
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# Copyright (C) 2020 Nathan Sidwell, nathan@acm.org
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# License: Apache v2.0
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# Note: VAR+=... is not dashing, despite its looks
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AC_DEFUN([NMS_MAINTAINER_MODE],
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[AC_ARG_ENABLE([maintainer-mode],
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AS_HELP_STRING([--enable-maintainer-mode],
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[enable maintainer mode. Add rules to rebuild configurey bits]),,
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[enable_maintainer_mode=no])
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AS_CASE([$enable_maintainer_mode],
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[yes], [maintainer_mode=yes],
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[no], [maintainer=no],
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[AC_MSG_ERROR([unknown maintainer mode $enable_maintainer_mode])])
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AC_MSG_CHECKING([maintainer-mode])
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AC_MSG_RESULT([$maintainer_mode])
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test "$maintainer_mode" = yes && MAINTAINER=yes
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AC_SUBST(MAINTAINER)])
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AC_DEFUN([NMS_CXX_COMPILER],
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[AC_ARG_WITH([compiler],
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AS_HELP_STRING([--with-compiler=NAME],[which compiler to use]),
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AC_MSG_CHECKING([C++ compiler])
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if test "$withval" = "yes" ; then
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AC_MSG_ERROR([NAME not specified])
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elif test "$withval" = "no" ; then
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AC_MSG_ERROR([Gonna need a C++ compiler!])
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else
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CXX="${withval}"
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AC_MSG_RESULT([$CXX])
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fi)])
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AC_DEFUN([NMS_CXX_11],
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[AC_MSG_CHECKING([whether $CXX is for C++11])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
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[#if __cplusplus != 201103
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#error "C++11 is required"
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#endif
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]])],
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[AC_MSG_RESULT([yes])],
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[CXX_ORIG="$CXX"
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CXX="$CXX -std=c++11"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
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[#if __cplusplus != 201103
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#error "C++11 is required"
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#endif
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]])],
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AC_MSG_RESULT([adding -std=c++11]),
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[CXX="$CXX_ORIG"
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
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[#if __cplusplus > 201103
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#error "C++11 is required"
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#endif
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]])],
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AC_MSG_RESULT([> C++11]),
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AC_MSG_RESULT([no])
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AC_MSG_ERROR([C++11 is required])]))
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unset CXX_ORIG])])
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AC_DEFUN([NMS_ENABLE_EXCEPTIONS],
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[AC_ARG_ENABLE([exceptions],
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AS_HELP_STRING([--enable-exceptions],
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[enable exceptions & rtti]),,
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[enable_exceptions="no"])
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AS_CASE([$enable_exceptions],
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[yes], [nms_exceptions=yes],
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[no], [nms_exceptions=no],
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[AC_MSG_ERROR([unknown exceptions $enable_exceptions])])
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AC_MSG_CHECKING([exceptions])
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AC_MSG_RESULT([$nms_exceptions])
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if test "$nms_exceptions" != no ; then
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EXCEPTIONS=yes
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fi
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AC_SUBST(EXCEPTIONS)])
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AC_DEFUN([NMS_LINK_OPT],
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[AC_MSG_CHECKING([adding $1 to linker])
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ORIG_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS $1"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
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[AC_MSG_RESULT([ok])],
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[LDFLAGS="$ORIG_LDFLAGS"
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AC_MSG_RESULT([no])])
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unset ORIG_LDFLAGS])
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AC_DEFUN([NMS_ENABLE_CHECKING],
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[AC_ARG_ENABLE([checking],
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AS_HELP_STRING([--enable-checking],
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[enable run-time checking]),,
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[enable_checking="yes"])
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AS_CASE([$enable_checking],
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[yes|all|yes,*], [nms_checking=yes],
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[no|none|release], [nms_checking=],
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[AC_MSG_ERROR([unknown check "$enable_checking"])])
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AC_MSG_CHECKING([checking])
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AC_MSG_RESULT([${nms_checking:-no}])
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if test "$nms_checking" = yes ; then
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AC_DEFINE_UNQUOTED([NMS_CHECKING], [0${nms_checking:+1}], [Enable checking])
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fi])
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