mirror of https://github.com/moparisthebest/curl
improve detection of gethostname(), localtime_r() and strstr()
This commit is contained in:
Yang Tse
parent
638e3c070c
commit
d7e406e020
20
acinclude.m4
20
acinclude.m4
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@ -2601,26 +2601,6 @@ fi
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])
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AC_DEFUN([CURL_CHECK_LOCALTIME_R],
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[
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dnl check for localtime_r
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AC_CHECK_FUNCS(localtime_r,[
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AC_MSG_CHECKING(whether localtime_r is declared)
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AC_EGREP_CPP(localtime_r,[
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#undef _REENTRANT
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#include <time.h>],[
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AC_MSG_RESULT(yes)],[
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AC_MSG_RESULT(no)
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AC_MSG_CHECKING(whether localtime_r with -D_REENTRANT is declared)
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AC_EGREP_CPP(localtime_r,[
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#undef _REENTRANT
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#define _REENTRANT
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#include <time.h>],[
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AC_MSG_RESULT(yes)],
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AC_MSG_RESULT(no))])])
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])
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AC_DEFUN([CURL_CHECK_INET_NTOA_R],
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[
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dnl determine if function definition for inet_ntoa_r exists.
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@ -1853,7 +1853,7 @@ else
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CURL_CHECK_INET_NTOA_R()
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dnl is there a localtime_r()
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CURL_CHECK_LOCALTIME_R()
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dnl the old localtime_r check was done here
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dnl is there a strerror_r()
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dnl the old strerror_r check was done here
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@ -1874,7 +1874,7 @@ if test "x$RECENTAIX" = "xyes"; then
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AC_DEFINE(_THREAD_SAFE, 1, [define this if you need it to compile thread-safe code])
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dnl is there a localtime_r()
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CURL_CHECK_LOCALTIME_R()
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dnl the old localtime_r check was done here
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dnl is there a strerror_r()
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dnl the old strerror_r check was done here
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@ -2038,7 +2038,9 @@ CURL_CHECK_MSG_NOSIGNAL
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CURL_CHECK_FUNC_FDOPEN
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CURL_CHECK_FUNC_FTRUNCATE
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CURL_CHECK_FUNC_GETHOSTNAME
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CURL_CHECK_FUNC_GMTIME_R
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CURL_CHECK_FUNC_LOCALTIME_R
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CURL_CHECK_FUNC_SIGACTION
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CURL_CHECK_FUNC_STRCASECMP
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CURL_CHECK_FUNC_STRCASESTR
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@ -2050,6 +2052,7 @@ CURL_CHECK_FUNC_STRLCAT
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CURL_CHECK_FUNC_STRNCASECMP
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CURL_CHECK_FUNC_STRNCMPI
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CURL_CHECK_FUNC_STRNICMP
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CURL_CHECK_FUNC_STRSTR
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CURL_CHECK_FUNC_STRTOK_R
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CURL_CHECK_FUNC_STRTOLL
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CURL_CHECK_FUNC_WRITEV
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@ -2090,7 +2093,6 @@ AC_CHECK_FUNCS([basename \
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signal \
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sigsetjmp \
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socket \
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strstr \
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uname \
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utime
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],[
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@ -353,6 +353,91 @@ AC_DEFUN([CURL_CHECK_FUNC_FTRUNCATE], [
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])
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dnl CURL_CHECK_FUNC_GETHOSTNAME
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dnl -------------------------------------------------
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dnl Verify if gethostname is available, prototyped, and
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dnl can be compiled. If all of these are true, and
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dnl usage has not been previously disallowed with
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dnl shell variable curl_disallow_gethostname, then
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dnl HAVE_GETHOSTNAME will be defined.
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AC_DEFUN([CURL_CHECK_FUNC_GETHOSTNAME], [
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AC_REQUIRE([CURL_INCLUDES_UNISTD])dnl
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#
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tst_links_gethostname="unknown"
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tst_proto_gethostname="unknown"
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tst_compi_gethostname="unknown"
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tst_allow_gethostname="unknown"
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#
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AC_MSG_CHECKING([if gethostname can be linked])
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AC_LINK_IFELSE([
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AC_LANG_FUNC_LINK_TRY([gethostname])
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],[
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AC_MSG_RESULT([yes])
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tst_links_gethostname="yes"
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],[
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AC_MSG_RESULT([no])
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tst_links_gethostname="no"
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])
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#
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if test "$tst_links_gethostname" = "yes"; then
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AC_MSG_CHECKING([if gethostname is prototyped])
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AC_EGREP_CPP([gethostname],[
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$curl_includes_unistd
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],[
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AC_MSG_RESULT([yes])
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tst_proto_gethostname="yes"
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],[
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AC_MSG_RESULT([no])
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tst_proto_gethostname="no"
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])
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fi
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#
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if test "$tst_proto_gethostname" = "yes"; then
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AC_MSG_CHECKING([if gethostname is compilable])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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$curl_includes_unistd
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]],[[
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if(0 != gethostname(0, 0))
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return 1;
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]])
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],[
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AC_MSG_RESULT([yes])
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tst_compi_gethostname="yes"
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],[
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AC_MSG_RESULT([no])
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tst_compi_gethostname="no"
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])
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fi
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#
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if test "$tst_compi_gethostname" = "yes"; then
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AC_MSG_CHECKING([if gethostname usage allowed])
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if test "x$curl_disallow_gethostname" != "xyes"; then
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AC_MSG_RESULT([yes])
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tst_allow_gethostname="yes"
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else
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AC_MSG_RESULT([no])
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tst_allow_gethostname="no"
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fi
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fi
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#
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AC_MSG_CHECKING([if gethostname might be used])
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if test "$tst_links_gethostname" = "yes" &&
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test "$tst_proto_gethostname" = "yes" &&
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test "$tst_compi_gethostname" = "yes" &&
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test "$tst_allow_gethostname" = "yes"; then
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AC_MSG_RESULT([yes])
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AC_DEFINE_UNQUOTED(HAVE_GETHOSTNAME, 1,
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[Define to 1 if you have the gethostname function.])
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ac_cv_func_gethostname="yes"
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else
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AC_MSG_RESULT([no])
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ac_cv_func_gethostname="no"
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fi
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])
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dnl CURL_CHECK_FUNC_GMTIME_R
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dnl -------------------------------------------------
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dnl Verify if gmtime_r is available, prototyped, can
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@ -467,6 +552,120 @@ AC_DEFUN([CURL_CHECK_FUNC_GMTIME_R], [
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])
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dnl CURL_CHECK_FUNC_LOCALTIME_R
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dnl -------------------------------------------------
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dnl Verify if localtime_r is available, prototyped, can
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dnl be compiled and seems to work. If all of these are
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dnl true, and usage has not been previously disallowed
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dnl with shell variable curl_disallow_localtime_r, then
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dnl HAVE_LOCALTIME_R will be defined.
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AC_DEFUN([CURL_CHECK_FUNC_LOCALTIME_R], [
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AC_REQUIRE([CURL_INCLUDES_TIME])dnl
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#
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tst_links_localtime_r="unknown"
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tst_proto_localtime_r="unknown"
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tst_compi_localtime_r="unknown"
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tst_works_localtime_r="unknown"
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tst_allow_localtime_r="unknown"
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#
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AC_MSG_CHECKING([if localtime_r can be linked])
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AC_LINK_IFELSE([
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AC_LANG_FUNC_LINK_TRY([localtime_r])
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],[
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AC_MSG_RESULT([yes])
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tst_links_localtime_r="yes"
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],[
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AC_MSG_RESULT([no])
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tst_links_localtime_r="no"
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])
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#
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if test "$tst_links_localtime_r" = "yes"; then
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AC_MSG_CHECKING([if localtime_r is prototyped])
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AC_EGREP_CPP([localtime_r],[
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$curl_includes_time
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],[
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AC_MSG_RESULT([yes])
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tst_proto_localtime_r="yes"
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],[
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AC_MSG_RESULT([no])
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tst_proto_localtime_r="no"
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])
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fi
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#
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if test "$tst_proto_localtime_r" = "yes"; then
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AC_MSG_CHECKING([if localtime_r is compilable])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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$curl_includes_time
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]],[[
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if(0 != localtime_r(0, 0))
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return 1;
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]])
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],[
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AC_MSG_RESULT([yes])
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tst_compi_localtime_r="yes"
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],[
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AC_MSG_RESULT([no])
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tst_compi_localtime_r="no"
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])
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fi
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#
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dnl only do runtime verification when not cross-compiling
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if test "x$cross_compiling" != "xyes" &&
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test "$tst_compi_localtime_r" = "yes"; then
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AC_MSG_CHECKING([if localtime_r seems to work])
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AC_RUN_IFELSE([
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AC_LANG_PROGRAM([[
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$curl_includes_time
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]],[[
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time_t clock = 1170352587;
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struct tm *tmp = 0;
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struct tm result;
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tmp = localtime_r(&clock, &result);
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if(tmp)
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exit(0);
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else
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exit(1);
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]])
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],[
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AC_MSG_RESULT([yes])
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tst_works_localtime_r="yes"
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],[
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AC_MSG_RESULT([no])
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tst_works_localtime_r="no"
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])
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fi
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#
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if test "$tst_compi_localtime_r" = "yes" &&
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test "$tst_works_localtime_r" != "no"; then
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AC_MSG_CHECKING([if localtime_r usage allowed])
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if test "x$curl_disallow_localtime_r" != "xyes"; then
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AC_MSG_RESULT([yes])
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tst_allow_localtime_r="yes"
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else
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AC_MSG_RESULT([no])
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tst_allow_localtime_r="no"
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fi
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fi
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#
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AC_MSG_CHECKING([if localtime_r might be used])
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if test "$tst_links_localtime_r" = "yes" &&
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test "$tst_proto_localtime_r" = "yes" &&
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test "$tst_compi_localtime_r" = "yes" &&
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test "$tst_allow_localtime_r" = "yes" &&
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test "$tst_works_localtime_r" != "no"; then
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AC_MSG_RESULT([yes])
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AC_DEFINE_UNQUOTED(HAVE_LOCALTIME_R, 1,
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[Define to 1 if you have a working localtime_r function.])
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ac_cv_func_localtime_r="yes"
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else
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AC_MSG_RESULT([no])
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ac_cv_func_localtime_r="no"
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fi
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])
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dnl CURL_CHECK_FUNC_SIGACTION
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dnl -------------------------------------------------
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dnl Verify if sigaction is available, prototyped, and
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@ -1573,6 +1772,91 @@ AC_DEFUN([CURL_CHECK_FUNC_STRNICMP], [
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])
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dnl CURL_CHECK_FUNC_STRSTR
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dnl -------------------------------------------------
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dnl Verify if strstr is available, prototyped, and
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dnl can be compiled. If all of these are true, and
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dnl usage has not been previously disallowed with
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dnl shell variable curl_disallow_strstr, then
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dnl HAVE_STRSTR will be defined.
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AC_DEFUN([CURL_CHECK_FUNC_STRSTR], [
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AC_REQUIRE([CURL_INCLUDES_STRING])dnl
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#
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tst_links_strstr="unknown"
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tst_proto_strstr="unknown"
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tst_compi_strstr="unknown"
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tst_allow_strstr="unknown"
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#
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AC_MSG_CHECKING([if strstr can be linked])
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AC_LINK_IFELSE([
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AC_LANG_FUNC_LINK_TRY([strstr])
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],[
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AC_MSG_RESULT([yes])
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tst_links_strstr="yes"
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],[
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AC_MSG_RESULT([no])
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tst_links_strstr="no"
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])
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#
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if test "$tst_links_strstr" = "yes"; then
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AC_MSG_CHECKING([if strstr is prototyped])
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AC_EGREP_CPP([strstr],[
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$curl_includes_string
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],[
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AC_MSG_RESULT([yes])
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tst_proto_strstr="yes"
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],[
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AC_MSG_RESULT([no])
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tst_proto_strstr="no"
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])
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fi
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#
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if test "$tst_proto_strstr" = "yes"; then
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AC_MSG_CHECKING([if strstr is compilable])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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$curl_includes_string
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]],[[
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if(0 != strstr(0, 0))
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return 1;
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]])
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],[
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AC_MSG_RESULT([yes])
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tst_compi_strstr="yes"
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],[
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AC_MSG_RESULT([no])
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tst_compi_strstr="no"
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])
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fi
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#
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if test "$tst_compi_strstr" = "yes"; then
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AC_MSG_CHECKING([if strstr usage allowed])
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if test "x$curl_disallow_strstr" != "xyes"; then
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AC_MSG_RESULT([yes])
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tst_allow_strstr="yes"
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else
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AC_MSG_RESULT([no])
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tst_allow_strstr="no"
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fi
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fi
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#
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AC_MSG_CHECKING([if strstr might be used])
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if test "$tst_links_strstr" = "yes" &&
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test "$tst_proto_strstr" = "yes" &&
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test "$tst_compi_strstr" = "yes" &&
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test "$tst_allow_strstr" = "yes"; then
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AC_MSG_RESULT([yes])
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AC_DEFINE_UNQUOTED(HAVE_STRSTR, 1,
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[Define to 1 if you have the strstr function.])
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ac_cv_func_strstr="yes"
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else
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AC_MSG_RESULT([no])
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ac_cv_func_strstr="no"
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fi
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])
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dnl CURL_CHECK_FUNC_STRTOK_R
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dnl -------------------------------------------------
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dnl Verify if strtok_r is available, prototyped, and
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