diff options
Diffstat (limited to 'source4/lib/replace/libreplace.m4')
| -rw-r--r-- | source4/lib/replace/libreplace.m4 | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/source4/lib/replace/libreplace.m4 b/source4/lib/replace/libreplace.m4 new file mode 100644 index 0000000000..382da639fc --- /dev/null +++ b/source4/lib/replace/libreplace.m4 @@ -0,0 +1,220 @@ +dnl find the libreplace sources. This is meant to work both for +dnl libreplace standalone builds, and builds of packages using libreplace +libreplacedir="" +for d in "$srcdir" "$srcdir/lib/replace" "$srcdir/libreplace" "$srcdir/../libreplace"; do + if test -f "$d/replace.c"; then + libreplacedir="$d" + AC_SUBST(libreplacedir) + break; + fi +done +LIBREPLACEOBJ="dlfcn.o getpass.o replace.o snprintf.o timegm.o" +AC_SUBST(LIBREPLACEOBJ) + +AC_CHECK_HEADERS([stdint.h inttypes.h]) +AC_CHECK_TYPE(uint_t, unsigned int) +AC_CHECK_TYPE(uint8_t, unsigned char) +AC_CHECK_TYPE(int8_t, char) +AC_CHECK_TYPE(int16_t, short) +AC_CHECK_TYPE(uint16_t, unsigned short) +AC_CHECK_TYPE(int32_t, long) +AC_CHECK_TYPE(intptr_t, unsigned long long) +AC_CHECK_TYPE(uint32_t, unsigned long) +AC_CHECK_TYPE(ssize_t, int) + +AC_CHECK_HEADERS(stdbool.h) + +AC_CHECK_TYPE(bool, +[AC_DEFINE(HAVE_BOOL, 1, [Whether the bool type is available])],, +[ +AC_INCLUDES_DEFAULT +#ifdef HAVE_STDBOOL_H +#include <stdbool.h> +#endif] +) + + +AC_CACHE_CHECK([for broken inet_ntoa],samba_cv_REPLACE_INET_NTOA,[ +AC_TRY_RUN([ +#include <stdio.h> +#include <sys/types.h> +#include <netinet/in.h> +#ifdef HAVE_ARPA_INET_H +#include <arpa/inet.h> +#endif +main() { struct in_addr ip; ip.s_addr = 0x12345678; +if (strcmp(inet_ntoa(ip),"18.52.86.120") && + strcmp(inet_ntoa(ip),"120.86.52.18")) { exit(0); } +exit(1);}], + samba_cv_REPLACE_INET_NTOA=yes,samba_cv_REPLACE_INET_NTOA=no,samba_cv_REPLACE_INET_NTOA=cross)]) +if test x"$samba_cv_REPLACE_INET_NTOA" = x"yes"; then + AC_DEFINE(REPLACE_INET_NTOA,1,[Whether inet_ntoa should be replaced]) +fi + +dnl Provided by replace.c: +AC_TRY_COMPILE([ +#include <sys/types.h> +#if STDC_HEADERS +#include <stdlib.h> +#include <stddef.h> +#endif +#include <sys/socket.h>], +[socklen_t foo;],, +[AC_DEFINE(socklen_t, int,[Socket length type])]) + +AC_CHECK_HEADERS(sys/syslog.h syslog.h) +AC_CHECK_HEADERS(sys/time.h time.h) +AC_CHECK_HEADERS(sys/socket.h netinet/in.h) +AC_CHECK_FUNCS(seteuid setresuid setegid setresgid chroot bzero strerror) +AC_CHECK_FUNCS(vsyslog setlinebuf mktime ftruncate chsize rename) +AC_CHECK_FUNCS(waitpid strlcpy strlcat innetgr initgroups memmove strdup) +AC_CHECK_FUNCS(pread pwrite strndup strcasestr strtok_r mkdtemp) +AC_CHECK_DECLS([setresuid, setresgid, errno]) + +AC_CACHE_CHECK([for secure mkstemp],samba_cv_HAVE_SECURE_MKSTEMP,[ +AC_TRY_RUN([#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +main() { + struct stat st; + char tpl[20]="/tmp/test.XXXXXX"; + int fd = mkstemp(tpl); + if (fd == -1) exit(1); + unlink(tpl); + if (fstat(fd, &st) != 0) exit(1); + if ((st.st_mode & 0777) != 0600) exit(1); + exit(0); +}], +samba_cv_HAVE_SECURE_MKSTEMP=yes, +samba_cv_HAVE_SECURE_MKSTEMP=no, +samba_cv_HAVE_SECURE_MKSTEMP=cross)]) +if test x"$samba_cv_HAVE_SECURE_MKSTEMP" = x"yes"; then + AC_DEFINE(HAVE_SECURE_MKSTEMP,1,[Whether mkstemp is secure]) +fi + +dnl Provided by snprintf.c: +AC_CHECK_DECLS([asprintf, vasprintf, snprintf]) +AC_CHECK_FUNCS(snprintf vsnprintf asprintf vasprintf) +AC_CHECK_HEADERS(strings.h) + +AC_CACHE_CHECK([for C99 vsnprintf],samba_cv_HAVE_C99_VSNPRINTF,[ +AC_TRY_RUN([ +#include <sys/types.h> +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> +void foo(const char *format, ...) { + va_list ap; + int len; + char buf[20]; + long long l = 1234567890; + l *= 100; + + va_start(ap, format); + len = vsnprintf(buf, 0, format, ap); + va_end(ap); + if (len != 5) exit(1); + + va_start(ap, format); + len = vsnprintf(0, 0, format, ap); + va_end(ap); + if (len != 5) exit(2); + + if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(3); + + if (snprintf(buf, 20, "%lld", l) != 12 || strcmp(buf, "123456789000") != 0) exit(4); + if (snprintf(buf, 20, "%zu", 123456789) != 9 || strcmp(buf, "123456789") != 0) exit(5); + if (snprintf(buf, 20, "%2\$d %1\$d", 3, 4) != 3 || strcmp(buf, "4 3") != 0) exit(6); + if (snprintf(buf, 20, "%s", 0) < 3) exit(7); + + exit(0); +} +main() { foo("hello"); } +], +samba_cv_HAVE_C99_VSNPRINTF=yes,samba_cv_HAVE_C99_VSNPRINTF=no,samba_cv_HAVE_C99_VSNPRINTF=cross)]) +if test x"$samba_cv_HAVE_C99_VSNPRINTF" = x"yes"; then + AC_DEFINE(HAVE_C99_VSNPRINTF,1,[Whether there is a C99 compliant vsnprintf]) +fi + +dnl dummies provided by dlfcn.c if not available +AC_SEARCH_LIBS(dlopen, dl) +AC_CHECK_HEADERS(dlfcn.h) +AC_CHECK_FUNCS(dlopen dlsym dlerror dlclose) + +AC_CHECK_FUNCS([syslog memset setnetgrent getnetgrent endnetgrent memcpy],, + [AC_MSG_ERROR([Required function not found])]) + +sinclude(lib/replace/getpass.m4) +sinclude(getpass.m4) +sinclude(lib/replace/cc_features.m4) +sinclude(cc_features.m4) + +LIBREPLACE_C99_STRUCT_INIT(c99_struct_initialization=yes, + c99_struct_initialization=no) + +dnl VA_COPY +AC_CACHE_CHECK([for va_copy],samba_cv_HAVE_VA_COPY,[ +AC_TRY_LINK([#include <stdarg.h> +va_list ap1,ap2;], [va_copy(ap1,ap2);], +samba_cv_HAVE_VA_COPY=yes,samba_cv_HAVE_VA_COPY=no)]) +if test x"$samba_cv_HAVE_VA_COPY" = x"yes"; then + AC_DEFINE(HAVE_VA_COPY,1,[Whether va_copy() is available]) +fi + +if test x"$samba_cv_HAVE_VA_COPY" != x"yes"; then +AC_CACHE_CHECK([for __va_copy],samba_cv_HAVE___VA_COPY,[ +AC_TRY_LINK([#include <stdarg.h> +va_list ap1,ap2;], [__va_copy(ap1,ap2);], +samba_cv_HAVE___VA_COPY=yes,samba_cv_HAVE___VA_COPY=no)]) +if test x"$samba_cv_HAVE___VA_COPY" = x"yes"; then + AC_DEFINE(HAVE___VA_COPY,1,[Whether __va_copy() is available]) +fi +fi + +dnl __FUNCTION__ macro +AC_CACHE_CHECK([for __FUNCTION__ macro],samba_cv_HAVE_FUNCTION_MACRO,[ +AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __FUNCTION__);], +samba_cv_HAVE_FUNCTION_MACRO=yes,samba_cv_HAVE_FUNCTION_MACRO=no)]) +if test x"$samba_cv_HAVE_FUNCTION_MACRO" = x"yes"; then + AC_DEFINE(HAVE_FUNCTION_MACRO,1,[Whether there is a __FUNCTION__ macro]) +else + dnl __func__ macro + AC_CACHE_CHECK([for __func__ macro],samba_cv_HAVE_func_MACRO,[ + AC_TRY_COMPILE([#include <stdio.h>], [printf("%s\n", __func__);], + samba_cv_HAVE_func_MACRO=yes,samba_cv_HAVE_func_MACRO=no)]) + if test x"$samba_cv_HAVE_func_MACRO" = x"yes"; then + AC_DEFINE(HAVE_func_MACRO,1,[Whether there is a __func__ macro]) + fi +fi + +AC_CHECK_HEADERS([sys/param.h limits.h]) + +AC_CHECK_TYPE(comparison_fn_t, +[AC_DEFINE(HAVE_COMPARISON_FN_T, 1,[Whether or not we have comparison_fn_t])]) + +AC_CHECK_FUNCS(timegm strnlen setenv) +AC_CHECK_FUNCS(strtoull __strtoull strtouq strtoll __strtoll strtoq) + +# this test disabled as we don't actually need __VA_ARGS__ yet +# AC_TRY_CPP([ +# #define eprintf(...) fprintf(stderr, __VA_ARGS__) +# eprintf("bla", "bar"); +# ], [], [AC_MSG_ERROR([__VA_ARGS__ is required])]) + +# Check prerequisites +AC_CHECK_FUNCS([memset printf syslog], [], + [ AC_MSG_ERROR([Required function not found])]) + +AC_CACHE_CHECK([for sig_atomic_t type],samba_cv_sig_atomic_t, [ + AC_TRY_COMPILE([ +#include <sys/types.h> +#if STDC_HEADERS +#include <stdlib.h> +#include <stddef.h> +#endif +#include <signal.h>],[sig_atomic_t i = 0], + samba_cv_sig_atomic_t=yes,samba_cv_sig_atomic_t=no)]) +if test x"$samba_cv_sig_atomic_t" = x"yes"; then + AC_DEFINE(HAVE_SIG_ATOMIC_T_TYPE,1,[Whether we have the atomic_t variable type]) +fi |