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https://git.postgresql.org/git/postgresql.git
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Remove use of obsolescent Autoconf macros
Remove the use of the following macros, which are obsolescent according to the Autoconf documentation: - AC_C_CONST - AC_C_STRINGIZE - AC_C_VOLATILE - AC_FUNC_MEMCMP
This commit is contained in:
Peter Eisentraut
parent
1eafea5d1b
commit
34fa72ec9c
297
configure
vendored
297
configure
vendored
@ -15326,113 +15326,6 @@ $as_echo "$as_me: error: unknown endianness
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{ (exit 1); exit 1; }; } ;;
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esac
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{ $as_echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5
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$as_echo_n "checking for an ANSI C-conforming const... " >&6; }
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if test "${ac_cv_c_const+set}" = set; then
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$as_echo_n "(cached) " >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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int
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main ()
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{
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/* FIXME: Include the comments suggested by Paul. */
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#ifndef __cplusplus
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/* Ultrix mips cc rejects this. */
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typedef int charset[2];
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const charset cs;
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/* SunOS 4.1.1 cc rejects this. */
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char const *const *pcpcc;
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char **ppc;
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/* NEC SVR4.0.2 mips cc rejects this. */
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struct point {int x, y;};
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static struct point const zero = {0,0};
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/* AIX XL C 1.02.0.0 rejects this.
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It does not let you subtract one const X* pointer from another in
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an arm of an if-expression whose if-part is not a constant
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expression */
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const char *g = "string";
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pcpcc = &g + (g ? g-g : 0);
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/* HPUX 7.0 cc rejects these. */
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++pcpcc;
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ppc = (char**) pcpcc;
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pcpcc = (char const *const *) ppc;
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{ /* SCO 3.2v4 cc rejects this. */
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char *t;
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char const *s = 0 ? (char *) 0 : (char const *) 0;
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*t++ = 0;
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if (s) return 0;
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}
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{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */
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int x[] = {25, 17};
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const int *foo = &x[0];
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++foo;
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}
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{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
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typedef const int *iptr;
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iptr p = 0;
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++p;
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}
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{ /* AIX XL C 1.02.0.0 rejects this saying
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"k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
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struct s { int j; const int *ap[3]; };
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struct s *b; b->j = 5;
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}
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{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
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const int foo = 10;
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if (!foo) return 0;
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}
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return !cs[0] && !zero.x;
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#endif
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
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$as_echo "$ac_try_echo") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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ac_cv_c_const=yes
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else
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$as_echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_c_const=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5
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$as_echo "$ac_cv_c_const" >&6; }
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if test $ac_cv_c_const = no; then
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cat >>confdefs.h <<\_ACEOF
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#define const /**/
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_ACEOF
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fi
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{ $as_echo "$as_me:$LINENO: checking for inline" >&5
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$as_echo_n "checking for inline... " >&6; }
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if test "${ac_cv_c_inline+set}" = set; then
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@ -15570,40 +15463,6 @@ cat >>confdefs.h <<_ACEOF
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#define PG_USE_INLINE 1
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_ACEOF
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fi
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{ $as_echo "$as_me:$LINENO: checking for preprocessor stringizing operator" >&5
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$as_echo_n "checking for preprocessor stringizing operator... " >&6; }
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if test "${ac_cv_c_stringize+set}" = set; then
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$as_echo_n "(cached) " >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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#define x(y) #y
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char *s = x(teststring);
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "#teststring" >/dev/null 2>&1; then
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ac_cv_c_stringize=no
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else
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ac_cv_c_stringize=yes
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fi
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rm -f conftest*
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fi
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{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_stringize" >&5
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$as_echo "$ac_cv_c_stringize" >&6; }
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if test $ac_cv_c_stringize = yes; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_STRINGIZE 1
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_ACEOF
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fi
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@ -15734,67 +15593,6 @@ cat >>confdefs.h <<\_ACEOF
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_ACEOF
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fi
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{ $as_echo "$as_me:$LINENO: checking for working volatile" >&5
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$as_echo_n "checking for working volatile... " >&6; }
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if test "${ac_cv_c_volatile+set}" = set; then
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$as_echo_n "(cached) " >&6
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else
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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int
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main ()
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{
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volatile int x;
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int * volatile y = (int *) 0;
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return !x && !y;
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (ac_try="$ac_compile"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
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$as_echo "$ac_try_echo") >&5
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(eval "$ac_compile") 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest.$ac_objext; then
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ac_cv_c_volatile=yes
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else
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$as_echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_cv_c_volatile=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_volatile" >&5
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$as_echo "$ac_cv_c_volatile" >&6; }
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if test $ac_cv_c_volatile = no; then
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cat >>confdefs.h <<\_ACEOF
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#define volatile /**/
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_ACEOF
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fi
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{ $as_echo "$as_me:$LINENO: checking for __func__" >&5
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$as_echo_n "checking for __func__... " >&6; }
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if test "${pgac_cv_funcname_func_support+set}" = set; then
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@ -28897,101 +28695,6 @@ operating system; use --disable-thread-safety to disable thread safety." >&2;}
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fi
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fi
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# SunOS doesn't handle negative byte comparisons properly with +/- return
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{ $as_echo "$as_me:$LINENO: checking for working memcmp" >&5
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$as_echo_n "checking for working memcmp... " >&6; }
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if test "${ac_cv_func_memcmp_working+set}" = set; then
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$as_echo_n "(cached) " >&6
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else
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if test "$cross_compiling" = yes; then
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ac_cv_func_memcmp_working=no
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else
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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$ac_includes_default
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int
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main ()
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{
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/* Some versions of memcmp are not 8-bit clean. */
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char c0 = '\100', c1 = '\200', c2 = '\201';
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if (memcmp(&c0, &c2, 1) >= 0 || memcmp(&c1, &c2, 1) >= 0)
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return 1;
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/* The Next x86 OpenStep bug shows up only when comparing 16 bytes
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or more and with at least one buffer not starting on a 4-byte boundary.
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William Lewis provided this test program. */
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{
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char foo[21];
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char bar[21];
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int i;
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for (i = 0; i < 4; i++)
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{
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char *a = foo + i;
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char *b = bar + i;
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strcpy (a, "--------01111111");
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strcpy (b, "--------10000000");
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if (memcmp (a, b, 16) >= 0)
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return 1;
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}
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return 0;
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}
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;
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return 0;
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}
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_ACEOF
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rm -f conftest$ac_exeext
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if { (ac_try="$ac_link"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
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$as_echo "$ac_try_echo") >&5
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(eval "$ac_link") 2>&5
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ac_status=$?
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$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && { ac_try='./conftest$ac_exeext'
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{ (case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
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$as_echo "$ac_try_echo") >&5
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(eval "$ac_try") 2>&5
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ac_status=$?
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$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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ac_cv_func_memcmp_working=yes
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else
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$as_echo "$as_me: program exited with status $ac_status" >&5
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$as_echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_cv_func_memcmp_working=no
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fi
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rm -rf conftest.dSYM
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rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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fi
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fi
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{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_memcmp_working" >&5
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$as_echo "$ac_cv_func_memcmp_working" >&6; }
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test $ac_cv_func_memcmp_working = no && case " $LIBOBJS " in
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*" memcmp.$ac_objext "* ) ;;
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*) LIBOBJS="$LIBOBJS memcmp.$ac_objext"
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;;
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esac
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# Select semaphore implementation type.
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if test "$PORTNAME" != "win32"; then
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@ -1114,12 +1114,9 @@ fi
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m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
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AC_C_BIGENDIAN
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AC_C_CONST
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PGAC_C_INLINE
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AC_C_STRINGIZE
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AC_C_FLEXIBLE_ARRAY_MEMBER
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PGAC_C_SIGNED
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AC_C_VOLATILE
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PGAC_C_FUNCNAME_SUPPORT
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PGAC_C_STATIC_ASSERT
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PGAC_C_TYPES_COMPATIBLE
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@ -1749,9 +1746,6 @@ operating system; use --disable-thread-safety to disable thread safety.])
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fi
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fi
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# SunOS doesn't handle negative byte comparisons properly with +/- return
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AC_FUNC_MEMCMP
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# Select semaphore implementation type.
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if test "$PORTNAME" != "win32"; then
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@ -130,28 +130,12 @@
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* CppConcat
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* Concatenate two arguments together, using the C preprocessor.
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*
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* Note: the standard Autoconf macro AC_C_STRINGIZE actually only checks
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* whether #identifier works, but if we have that we likely have ## too.
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* Note: There used to be support here for pre-ANSI C compilers that didn't
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* support # and ##. Nowadays, these macros are just for clarity and/or
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* backward compatibility with existing PostgreSQL code.
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*/
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#if defined(HAVE_STRINGIZE)
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#define CppAsString(identifier) #identifier
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#define CppConcat(x, y) x##y
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#else /* !HAVE_STRINGIZE */
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#define CppAsString(identifier) "identifier"
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/*
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* CppIdentity -- On Reiser based cpp's this is used to concatenate
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* two tokens. That is
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* CppIdentity(A)B ==> AB
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* We renamed it to _private_CppIdentity because it should not
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* be referenced outside this file. On other cpp's it
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* produces A B.
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*/
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#define _priv_CppIdentity(x)x
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#define CppConcat(x, y) _priv_CppIdentity(x)y
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#endif /* !HAVE_STRINGIZE */
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/*
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* dummyret is used to set return values in macros that use ?: to make
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@ -457,9 +457,6 @@
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/* Define to 1 if you have the `strerror_r' function. */
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#undef HAVE_STRERROR_R
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/* Define to 1 if cpp supports the ANSI # stringizing operator. */
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#undef HAVE_STRINGIZE
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/* Define to 1 if you have the <strings.h> header file. */
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#undef HAVE_STRINGS_H
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@ -839,9 +836,6 @@
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/* Define for large files, on AIX-style hosts. */
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#undef _LARGE_FILES
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/* Define to empty if `const' does not conform to ANSI C. */
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#undef const
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/* Define to `__inline__' or `__inline' if that's what the C compiler
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calls it, or to nothing if 'inline' is not supported under any name. */
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#ifndef __cplusplus
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@ -858,7 +852,3 @@
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/* Define to the type of an unsigned integer type wide enough to hold a
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pointer, if such a type exists, and if the system does not define it. */
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#undef uintptr_t
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/* Define to empty if the keyword `volatile' does not work. Warning: valid
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code using `volatile' can become incorrect without. Disable with care. */
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#undef volatile
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@ -360,9 +360,6 @@
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/* Define to 1 if you have the `strerror_r' function. */
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/* #undef HAVE_STRERROR_R */
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/* Define to 1 if cpp supports the ANSI # stringizing operator. */
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#define HAVE_STRINGIZE 1
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/* Define to 1 if you have the <strings.h> header file. */
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/*#define HAVE_STRINGS_H 1 */
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@ -674,9 +671,6 @@
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/* Define for large files, on AIX-style hosts. */
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/* #undef _LARGE_FILES */
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/* Define to empty if `const' does not conform to ANSI C. */
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/* #undef const */
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/* Define to `__inline__' or `__inline' if that's what the C compiler
|
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calls it, or to nothing if 'inline' is not supported under any name. */
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#ifndef __cplusplus
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@ -685,7 +679,3 @@
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/* Define to empty if the C compiler does not understand signed types. */
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/* #undef signed */
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/* Define to empty if the keyword `volatile' does not work. Warning: valid
|
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code using `volatile' can become incorrect without. Disable with care. */
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/* #undef volatile */
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@ -1,70 +0,0 @@
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/*-------------------------------------------------------------------------
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*
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* memcmp.c
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* compares memory bytes
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*
|
||||
* Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
|
||||
*
|
||||
*
|
||||
* IDENTIFICATION
|
||||
* src/port/memcmp.c
|
||||
*
|
||||
* This file was taken from NetBSD and is used by SunOS because memcmp
|
||||
* on that platform does not properly compare negative bytes. The
|
||||
* NetBSD copyright terms follow.
|
||||
*/
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1990, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Chris Torek.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include "c.h"
|
||||
|
||||
|
||||
/*
|
||||
* Compare memory regions.
|
||||
*/
|
||||
int
|
||||
memcmp(const void *s1, const void *s2, size_t n)
|
||||
{
|
||||
if (n != 0)
|
||||
{
|
||||
const unsigned char *p1 = s1,
|
||||
*p2 = s2;
|
||||
|
||||
do
|
||||
{
|
||||
if (*p1++ != *p2++)
|
||||
return (*--p1 - *--p2);
|
||||
} while (--n != 0);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user