rewrite powf stuff a bit.
Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2718
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3 changed files with 14 additions and 6 deletions
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@ -60,6 +60,8 @@ AC_MSG_CHECKING(if environ can be linked)
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern char ** environ;]],[[*environ;]])],
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[AC_MSG_RESULT(yes);AC_DEFINE(ENVIRON_LINKED,1,[environ can be linked])],AC_MSG_RESULT(no))
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AC_CHECK_LIB([m],[powf],,[AC_DEFINE([DB_HAVE_NO_POWF],[1],[libm doesn't include powf])])
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dnl Checks for libraries.
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#Check if the compiler support attributes
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