diff options
Diffstat (limited to 'usr.bin/sgmls/configure')
| -rwxr-xr-x | usr.bin/sgmls/configure | 617 |
1 files changed, 617 insertions, 0 deletions
diff --git a/usr.bin/sgmls/configure b/usr.bin/sgmls/configure new file mode 100755 index 0000000..7fd1968 --- /dev/null +++ b/usr.bin/sgmls/configure @@ -0,0 +1,617 @@ +#!/bin/sh +# Generate config.h from unix.cfg. + +trap 'rm -f doit doit.c doit.o doit.log config.out; exit 1' 1 2 3 15 + +on= +off= +CC=${CC-cc} + +# Normally we use VARARGS if __STDC__ is not defined. +# Test whether this assumption is wrong. + +cat >doit.c <<\EOF +#ifdef __STDC__ +#include <stdarg.h> +int foo(char *s,...) +{ + va_list ap; + + va_start(ap, s); + va_end(ap); + return 0; +} +#else +int foo = 0; +#endif +EOF + +$CC $CFLAGS -c doit.c >/dev/null 2>&1 +if test $? -ne 0 +then + on="$on VARARGS" +fi + +cat >doit.c <<\EOF +#include <stddef.h> +int foo = 0; +EOF + +if $CC $CFLAGS -c doit.c >/dev/null 2>&1 +then + off="$off STDDEF_H_MISSING" +else + on="$on STDDEF_H_MISSING" +fi + +cat >doit.c <<\EOF +#include <stdlib.h> +int foo = 0; +EOF + +if $CC $CFLAGS -c doit.c >/dev/null 2>&1 +then + off="$off STDLIB_H_MISSING" +else + on="$on STDLIB_H_MISSING" +fi + +cat >doit.c <<\EOF +#include <limits.h> +int foo = 0; +EOF + +if $CC $CFLAGS -c doit.c >/dev/null 2>&1 +then + off="$off LIMITS_H_MISSING" +else + on="$on LIMITS_H_MISSING" +fi + +cat >doit.c <<\EOF +#include <vfork.h> +int foo = 0; +EOF + +if $CC $CFLAGS -c doit.c >/dev/null 2>&1 +then + on="$on HAVE_VFORK_H" +else + off="$off HAVE_VFORK_H" +fi + +cat >doit.c <<\EOF +#include <unistd.h> +int foo = 0; +EOF + +if $CC $CFLAGS -c doit.c >/dev/null 2>&1 +then + on="$on HAVE_UNISTD_H" +else + off="$off HAVE_UNISTD_H" +fi + +cat >doit.c <<\EOF +#include <sys/types.h> +#include <sys/stat.h> +int foo = 0; +EOF + +if $CC $CFLAGS -c doit.c >/dev/null 2>&1 +then + on="$on HAVE_SYS_STAT_H" +else + off="$off HAVE_SYS_STAT_H" +fi + +cat >doit.c <<\EOF +/* Exit normally unless we need to use isascii. */ + +#include <ctype.h> +#include <signal.h> + +static int whoops() +{ + _exit(1); +} + +main() +{ + int c; +#ifdef isascii +#ifdef SIGSEGV + signal(SIGSEGV, whoops); +#endif +#ifdef SIGBUS + signal(SIGBUS, whoops); +#endif +#ifdef SIGIOT + signal(SIGIOT, whoops); +#endif + + for (c = 128; c < 256; c++) { + if (c == '0' || c == '1' || c == '2' || c == '3' || c == '4' || c == '5' + || c == '6' || c == '7' || c == '8' || c == '9') { + if (!isdigit(c) || isalpha(c) || iscntrl(c) || isspace(c) || ispunct(c)) + exit(1); + } + else if (isdigit(c)) + exit(1); + else if (isalpha(c)) { + if (iscntrl(c) || isspace(c) || ispunct(c) + || (islower(c) && toupper(c) != c && !isupper(toupper(c))) + || (isupper(c) && tolower(c) != c && !islower(tolower(c)))) + exit(1); + } + else if (islower(c) || isupper(c)) + exit(1); + else if (iscntrl(c)) { + if (ispunct(c)) + exit(1); + } + } +#endif /* isascii */ + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + # This tries to find the symbol that looks like the array + # used by <ctype.h>, and sees if its length appears to be 128 + # rather than 256. + if test 1 = `(nm -n doit 2>/dev/null) | awk ' +BEGIN { + weight["0"] = 0; + weight["1"] = 1; + weight["2"] = 2; + weight["3"] = 3; + weight["4"] = 4; + weight["5"] = 5; + weight["6"] = 6; + weight["7"] = 7; + weight["8"] = 8; + weight["9"] = 9; + weight["a"] = weight["A"] = 10; + weight["b"] = weight["B"] = 11; + weight["c"] = weight["C"] = 12; + weight["d"] = weight["D"] = 13; + weight["e"] = weight["E"] = 14; + weight["f"] = weight["F"] = 15; +} + +/^[0-9a-zA-Z]* D .*ctype/ && ctype_nr == 0 { + ctype_nr = NR; + addr = 0; + len = length($1); + for (i = 1; i <= len; i++) + addr = addr*16 + weight[substr($1, i, 1)]; +} + +/^[0-9a-zA-Z]* D / && NR == ctype_nr + 1 { + next_addr = 0; + len = length($1); + for (i = 1; i <= len; i++) + next_addr = next_addr*16 + weight[substr($1, i, 1)]; +} + +END { + size = next_addr - addr; + if (size >= 128 && size < 256) + print "1"; + else + print "0"; +}'` + then + on="$on USE_ISASCII" + else + if ((yes | man 3 ctype) 2>/dev/null) \ + | sed -e 's/.//g' -e 's/ *$//' -e '/de-$/N' \ + -e 's/-\n//g' -e '/defined$/N' -e '/only$/N' \ + -e '/where$/N' -e '/isascii$/N' -e '/is$/N' \ + -e 's/\n/ /g' -e 's/ */ /g' \ + | grep "defined only where isascii is true" >/dev/null + then + on="$on USE_ISASCII" + else + off="$off USE_ISASCII" + fi + fi +else + on="$on USE_ISASCII" +fi + +cat >doit.c <<\EOF +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) + remove("foo"); + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + off="$off REMOVE_MISSING" +else + on="$on REMOVE_MISSING" +fi + +cat >doit.c <<\EOF +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) + getopt(argc, argv, "v"); + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + on="$on HAVE_GETOPT" +else + off="$off HAVE_GETOPT" +fi + +cat >doit.c <<\EOF +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) + access("foo", 4); + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + on="$on HAVE_ACCESS" +else + off="$off HAVE_ACCESS" +fi + +cat >doit.c <<\EOF +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) + vfork(); + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + on="$on HAVE_VFORK" +else + off="$off HAVE_VFORK" +fi + +cat >doit.c <<\EOF +main(argc, argv) +int argc; +char **argv; +{ + + if (argc == 0) { + int status; + waitpid(-1, &status, 0); + } + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + on="$on HAVE_WAITPID" +else + off="$off HAVE_WAITPID" +fi + +cat >doit.c <<\EOF +#include <string.h> +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) + strerror(0); + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + off="$off STRERROR_MISSING" +else + on="$on STRERROR_MISSING" +fi + +cat >doit.c <<\EOF +#include <strings.h> +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) + bcopy((char *)0, (char *)0, 0); + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + # Only use BSD_STRINGS if ANSI string functions don't work. + cat >doit.c <<\EOF +#include <string.h> +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) + memcpy((char *)0, (char *)0, 0); + exit(0); +} +EOF + + if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null + then + off="$off BSD_STRINGS" + else + on="$on BSD_STRINGS" + fi +else + off="$off BSD_STRINGS" +fi + +cat >doit.c <<\EOF +#include <signal.h> +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) + raise(SIGINT); + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + off="$off RAISE_MISSING" +else + on="$on RAISE_MISSING" +fi + +cat >doit.c <<\EOF +#include <stdio.h> +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) { + fpos_t pos; + fsetpos(stdin, &pos); + fgetpos(stdin, &pos); + } + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + off="$off FPOS_MISSING" +else + on="$on FPOS_MISSING" +fi + +cat >doit.c <<\EOF +#include <unistd.h> +#include <sys/types.h> +#include <sys/wait.h> + +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) { + pid_t pid; + int status; + long n = sysconf(_SC_OPEN_MAX); + pid = waitpid(-1, &status, 0); + WIFSTOPPED(status); + WIFSIGNALED(status); + WIFEXITED(status); + WEXITSTATUS(status); + WTERMSIG(status); + WSTOPSIG(status); + } + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + on="$on POSIX" +else + off="$off POSIX" +fi + +cat >doit.c <<\EOF +#include <stdio.h> +#include <signal.h> + +static int whoops() +{ + _exit(1); +} + +main() +{ + char buf[30]; +#ifdef SIGSEGV + signal(SIGSEGV, whoops); +#endif +#ifdef SIGBUS + signal(SIGBUS, whoops); +#endif +#ifdef SIGIOT + signal(SIGIOT, whoops); +#endif + sprintf(buf, "%2$s%2$s%1$s%1$s", "bar", "foo"); + exit(!!strcmp(buf, "foofoobarbar")); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + on="$on HAVE_EXTENDED_PRINTF" +else + off="$off HAVE_EXTENDED_PRINTF" +fi + +cat >doit.c <<\EOF +#include <nl_types.h> + +main(argc, argv) +int argc; +char **argv; +{ + if (argc == 0) { + nl_catd d = catopen("foo", 0); + catgets(d, 1, 1, "default"); + catclose(d); + } + exit(0); +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + on="$on HAVE_CAT" +else + off="$off HAVE_CAT" +fi + +cat >doit.c <<\EOF +#include <limits.h> + +char c = UCHAR_MAX; + +main(argc, argv) +int argc; +char **argv; +{ +#if CHAR_MIN < 0 + exit(!(c < 0)); +#else + exit(!(c > 0)); +#endif +} +EOF + +if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null +then + char_signed= +else + cat >doit.c <<\EOF +main() +{ + int i; + + for (i = 0; i < 512; i++) { + char c = (char)i; + if (c < 0) + exit(1); + } + exit(0); +} +EOF + + if $CC $CFLAGS -o doit doit.c $LIBS >/dev/null 2>&1 && ./doit 2>/dev/null + then + char_signed=0 + else + char_signed=1 + fi +fi + +cat >doit.c <<\EOF + +typedef void VOID; + +extern VOID bar(); + +VOID foo() +{ +} +EOF + +if $CC $CFLAGS -c doit.c >/dev/null 2>&1 +then + void_ret=void +else + void_ret=int +fi + + +cat >doit.c <<\EOF + +void *foo() +{ + static char *buf; + return buf; +} +EOF + +if $CC $CFLAGS -c doit.c >doit.log 2>&1 +then + if test -s doit.log + then + void_star="char \*" + else + void_star="void \*" + fi + +else + void_star="char \*" +fi + +edit= + +rm -f doit.c doit doit.log doit.o + +for var in $on +do + edit="$edit -e 's;^/\\* *\\(#define $var [^/]*\\) *\\*/;\\1;'" +done +for var in $off +do + edit="$edit -e 's;^#define $var [^/]*;/* & */;'" +done + +if test -n "$char_signed" +then + edit="$edit -e 's;^/\\* *\\(#define CHAR_SIGNED $char_signed\\) *\\*/;\\1;'" +fi + +edit="$edit -e 's/^typedef .*VOID;/typedef $void_ret VOID;/'" +edit="$edit -e 's/^typedef .*UNIV;/typedef ${void_star}UNIV;/'" + +if test "X$(PREFIX)" != "X/usr/local" +then + edit="$edit -e '/DEFAULT_PATH/s;/usr/local;$PREFIX;g'" +fi + +eval sed $edit unix.cfg ">config.out" + +mv config.out config.h + +exit 0 |
