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- dnl
- dnl Lol Engine
- dnl
- dnl Copyright © 2010—2016 Sam Hocevar <sam@hocevar.net>
- dnl
- dnl Lol Engine is free software. It comes without any warranty, to
- dnl the extent permitted by applicable law. You can redistribute it
- dnl and/or modify it under the terms of the Do What the Fuck You Want
- dnl to Public License, Version 2, as published by the WTFPL Task Force.
- dnl See http://www.wtfpl.net/ for more details.
- dnl
-
-
- dnl LOL_TRY_CFLAGS (CFLAGS, [ACTION-IF-WORKS], [ACTION-IF-FAILS])
- dnl check if $CC supports a given set of cflags
- AC_DEFUN([LOL_TRY_CFLAGS],
- [AC_MSG_CHECKING([if $CC supports $1 flags])
- save_CFLAGS="$CFLAGS"
- CFLAGS="$1 -Werror"
- AC_TRY_COMPILE([],[],[ac_cv_try_cflags_ok=yes],[ac_cv_try_cflags_ok=no])
- CFLAGS="$save_CFLAGS"
- AC_MSG_RESULT([$ac_cv_try_cflags_ok])
- if test x"$ac_cv_try_cflags_ok" = x"yes"; then
- ifelse([$2],[],[:],[$2])
- else
- ifelse([$3],[],[:],[$3])
- fi])
-
- dnl LOL_TRY_CXXFLAGS (CXXFLAGS, [ACTION-IF-WORKS], [ACTION-IF-FAILS])
- dnl check if $CXX supports a given set of cxxflags
- AC_DEFUN([LOL_TRY_CXXFLAGS],
- [AC_MSG_CHECKING([if $CXX supports $1 flags])
- AC_LANG_PUSH(C++)
- save_CXXFLAGS="$CXXFLAGS"
- CXXFLAGS="$1 -Werror"
- AC_TRY_COMPILE([],[],[ac_cv_try_cxxflags_ok=yes],[ac_cv_try_cxxflags_ok=no])
- CXXFLAGS="$save_CXXFLAGS"
- AC_MSG_RESULT([$ac_cv_try_cxxflags_ok])
- if test x"$ac_cv_try_cxxflags_ok" = x"yes"; then
- ifelse([$2],[],[:],[$2])
- else
- ifelse([$3],[],[:],[$3])
- fi
- AC_LANG_POP(C++)])
-
- dnl LOL_TRY_LDFLAGS (LDFLAGS, [ACTION-IF-WORKS], [ACTION-IF-FAILS])
- dnl check if $CC supports a given set of ldflags
- AC_DEFUN([LOL_TRY_LDFLAGS],
- [AC_MSG_CHECKING([if $CC supports $1 flags])
- save_LDFLAGS="$LDFLAGS"
- LDFLAGS="$1 -Werror"
- AC_TRY_LINK([],[],[ac_cv_try_ldflags_ok=yes],[ac_cv_try_ldflags_ok=no])
- LDFLAGS="$save_LDFLAGS"
- AC_MSG_RESULT([$ac_cv_try_ldflags_ok])
- if test x"$ac_cv_try_ldflags_ok" = x"yes"; then
- ifelse([$2],[],[:],[$2])
- else
- ifelse([$3],[],[:],[$3])
- fi])
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