2021-07-29 05:44:12 -07:00
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#!/usr/bin/env sh
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2024-03-26 15:08:14 -07:00
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# YES_ZSH YES_BASH YES_DASH YES_ASH
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2021-07-29 00:37:35 -07:00
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2021-07-30 17:57:08 -07:00
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pre() { ### @-
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### dump all the `#define`s that `$CC $CPPFLAGS $CFLAGS $LDFLAGS` would result in.
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###
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2021-08-01 09:27:25 -07:00
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### ```
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### $ pre | shuf | head -n10
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### #define __GNUC_MINOR__ 3
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### #define __SIZEOF_LONG__ 4
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### #define __UINT_LEAST16_TYPE__ short unsigned int
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### #define __ORDER_BIG_ENDIAN__ 4321
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### #define __SIZEOF_FLOAT__ 4
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### #define __INTMAX_MAX__ 0x7fffffffffffffffLL
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### #define __INT64_C(c) c ## LL
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### #define __UINT16_MAX__ 0xffff
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### #define __DEC64_MANT_DIG__ 16
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### #define __DBL_HAS_INFINITY__ 1
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### ```
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2021-07-29 00:37:35 -07:00
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if [ -n "${ZSH_VERSION:-}" ]; then
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${CC:-gcc} -dM -E - $=CPPFLAGS $=CFLAGS $=LDFLAGS < /dev/null
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else
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${CC:-gcc} -dM -E - $CPPFLAGS $CFLAGS $LDFLAGS < /dev/null
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fi
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}
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2021-08-02 13:48:46 -07:00
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[ -n "${preload+-}" ] || pre "$@"
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