| Revision 11288,
822 bytes
checked in by ghudson, 26 years ago
(diff) |
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This commit was generated by cvs2svn to compensate for changes in r11287,
which included commits to RCS files with non-trunk default branches.
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| 1 | dnl See whether we need a declaration for a function. |
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| 2 | AC_DEFUN(GCC_NEED_DECLARATION, |
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| 3 | [AC_MSG_CHECKING([whether $1 must be declared]) |
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| 4 | AC_CACHE_VAL(gcc_cv_decl_needed_$1, |
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| 5 | [AC_TRY_COMPILE([ |
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| 6 | #include <stdio.h> |
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| 7 | #ifdef HAVE_STRING_H |
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| 8 | #include <string.h> |
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| 9 | #else |
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| 10 | #ifdef HAVE_STRINGS_H |
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| 11 | #include <strings.h> |
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| 12 | #endif |
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| 13 | #endif |
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| 14 | #ifdef HAVE_STDLIB_H |
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| 15 | #include <stdlib.h> |
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| 16 | #endif |
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| 17 | #ifdef HAVE_UNISTD_H |
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| 18 | #include <unistd.h> |
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| 19 | #endif |
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| 20 | #ifndef HAVE_RINDEX |
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| 21 | #define rindex strrchr |
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| 22 | #endif |
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| 23 | #ifndef HAVE_INDEX |
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| 24 | #define index strchr |
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| 25 | #endif], |
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| 26 | [char *(*pfn) = (char *(*)) $1], |
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| 27 | gcc_cv_decl_needed_$1=no, gcc_cv_decl_needed_$1=yes)]) |
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| 28 | AC_MSG_RESULT($gcc_cv_decl_needed_$1) |
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| 29 | if test $gcc_cv_decl_needed_$1 = yes; then |
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| 30 | gcc_tr_decl=NEED_DECLARATION_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` |
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| 31 | AC_DEFINE_UNQUOTED($gcc_tr_decl) |
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| 32 | fi |
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| 33 | ])dnl |
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