> -----Original Message----- > From: fedora-list-bounces@xxxxxxxxxx > [mailto:fedora-list-bounces@xxxxxxxxxx]On Behalf Of Mike McCarty > Sent: Wednesday, November 16, 2005 12:11 PM > To: For users of Fedora Core releases > Subject: Re: question on using random in C on FC4 (perhaps > slightly OT) > > > STYMA, ROBERT E (ROBERT) wrote: > > [snip] > > > You can test which preprocessor variables are defined by > > default with: > > > > cpp -dM < /dev/null > > > Hmm... > > $ cpp -dM < /dev/null > #line 1 "<stdin>" > : illegal option -- d > Hi Mike, I don't know why you got the result you show. I get the following on my FC3 machine. I also tested on AIX 4.2, FC4, and Solaris 9 and got appropriate output. my copy of cpp is from /usr/bin/cpp $: uname -r 2.6.12-1.1376_FC3 $: cpp -dN < /dev/null # 1 "<stdin>" # 1 "<built-in>" #define __STDC_HOSTED__ #define __GNUC__ #define __GNUC_MINOR__ #define __GNUC_PATCHLEVEL__ #define __GNUC_RH_RELEASE__ #define __SIZE_TYPE__ #define __PTRDIFF_TYPE__ #define __WCHAR_TYPE__ #define __WINT_TYPE__ #define __GXX_ABI_VERSION #define __SCHAR_MAX__ #define __SHRT_MAX__ #define __INT_MAX__ #define __LONG_MAX__ #define __LONG_LONG_MAX__ #define __WCHAR_MAX__ #define __CHAR_BIT__ #define __FLT_EVAL_METHOD__ #define __FLT_RADIX__ #define __FLT_MANT_DIG__ #define __FLT_DIG__ #define __FLT_MIN_EXP__ #define __FLT_MIN_10_EXP__ #define __FLT_MAX_EXP__ #define __FLT_MAX_10_EXP__ #define __FLT_MAX__ #define __FLT_MIN__ #define __FLT_EPSILON__ #define __FLT_DENORM_MIN__ #define __FLT_HAS_INFINITY__ #define __FLT_HAS_QUIET_NAN__ #define __DBL_MANT_DIG__ #define __DBL_DIG__ #define __DBL_MIN_EXP__ #define __DBL_MIN_10_EXP__ #define __DBL_MAX_EXP__ #define __DBL_MAX_10_EXP__ #define __DBL_MAX__ #define __DBL_MIN__ #define __DBL_EPSILON__ #define __DBL_DENORM_MIN__ #define __DBL_HAS_INFINITY__ #define __DBL_HAS_QUIET_NAN__ #define __LDBL_MANT_DIG__ #define __LDBL_DIG__ #define __LDBL_MIN_EXP__ #define __LDBL_MIN_10_EXP__ #define __LDBL_MAX_EXP__ #define __LDBL_MAX_10_EXP__ #define __DECIMAL_DIG__ #define __LDBL_MAX__ #define __LDBL_MIN__ #define __LDBL_EPSILON__ #define __LDBL_DENORM_MIN__ #define __LDBL_HAS_INFINITY__ #define __LDBL_HAS_QUIET_NAN__ #define __REGISTER_PREFIX__ #define __USER_LABEL_PREFIX__ #define __VERSION__ #define __NO_INLINE__ #define __FINITE_MATH_ONLY__ #define __i386 #define __i386__ #define i386 #define __tune_i386__ #define __gnu_linux__ #define __linux #define __linux__ #define linux #define __unix #define __unix__ #define unix #define __ELF__ # 1 "<command line>" # 1 "<stdin>"
