configure.in: additional note suggested by Greg Troxel
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1 changed files with 5 additions and 2 deletions
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@ -720,8 +720,11 @@ AC_SEARCH_LIBS(crypt, crypt,
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[AC_DEFINE(HAVE_CRYPT,1,
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[AC_DEFINE(HAVE_CRYPT,1,
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[Define to 1 if you have the `crypt' function.])])
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[Define to 1 if you have the `crypt' function.])])
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# When compiling with GCC on some OSs (Solaris, AIX), _Complex_I doesn't work;
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# When compiling with GCC on some OSs (Solaris, AIX), _Complex_I doesn't
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# in the reported cases so far, 1.0fi works well instead.
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# work; in the reported cases so far, 1.0fi works well instead. According
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# to the C99 spec, the complex.h header must provide a working definition
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# of _Complex_I, so we always try _Complex_I first. The 1.0fi fallback
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# is a workaround for the failure of some systems to conform to C99.
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if test "$ac_cv_type_complex_double" = yes; then
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if test "$ac_cv_type_complex_double" = yes; then
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AC_MSG_CHECKING([for i])
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AC_MSG_CHECKING([for i])
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AC_TRY_COMPILE([
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AC_TRY_COMPILE([
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