SDL: acinclude/ac_check_define.m4@231245d461a2

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acinclude/ac_check_define.m4

author	Sam Lantinga
	Fri, 28 Sep 2018 21:19:27 -0700
changeset 12258	231245d461a2
parent 6491	03b7e6b0a8bf
child 14038	2c13b7ca1997
permissions	-rw-r--r--

Mark a subsystem as dummy, not disabled, if it was intended to be compiled in.

From Tom Black:

I'm having problems initializing the sensor module. I'm compiling with a standard ./configure && make && sudo make install, and the module says it's enabled, but SDL_Init(SDL_INIT_EVERYTHING) is failing with SDL_GetError() returning "SDL not built with sensor support".

     1 AC_DEFUN([AC_CHECK_DEFINE],[dnl

     2   AC_CACHE_CHECK(for $1 in $2, ac_cv_define_$1,

     3     AC_EGREP_CPP([YES_IS_DEFINED], [

     4 #include <$2>

     5 #ifdef $1

     6 YES_IS_DEFINED

     7 #endif

     8     ], ac_cv_define_$1=yes, ac_cv_define_$1=no)

     9   )

    10   if test "$ac_cv_define_$1" = "yes" ; then

    11     AC_DEFINE([HAVE_$1],[],[Added by AC_CHECK_DEFINE])

    12   fi

    13 ])dnl

    14 AC_DEFINE([HAVE_$1],[],[Added by AC_CHECK_DEFINE])

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