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Diffstat (limited to 'trunk/acinclude.m4')
-rw-r--r-- | trunk/acinclude.m4 | 448 |
1 files changed, 448 insertions, 0 deletions
diff --git a/trunk/acinclude.m4 b/trunk/acinclude.m4 new file mode 100644 index 000000000..f86034d75 --- /dev/null +++ b/trunk/acinclude.m4 @@ -0,0 +1,448 @@ +dnl @synopsis AC_FUNC_VSNPRINTF_C99 +dnl +dnl Check whether there is a vsnprintf() function with C99 semantics installed. +dnl +AC_DEFUN([AC_FUNC_VSNPRINTF_C99], +[AC_CACHE_CHECK(for C99 vsnprintf, + ac_cv_func_vsnprintf_c99, +[AC_TRY_RUN( +[#include <stdio.h> +#include <stdarg.h> + +int +doit(char * s, ...) +{ + char buffer[32]; + va_list args; + int r; + + va_start(args, s); + r = vsnprintf(buffer, 5, s, args); + va_end(args); + + if (r != 7) + exit(1); + + /* AIX 5.1 and Solaris seems to have a half-baked vsnprintf() + implementation. The above will return 7 but if you replace + the size of the buffer with 0, it borks! */ + va_start(args, s); + r = vsnprintf(buffer, 0, s, args); + va_end(args); + + if (r != 7) + exit(1); + + exit(0); +} + +int +main(void) +{ + doit("1234567"); + exit(1); +}], ac_cv_func_vsnprintf_c99=yes, ac_cv_func_vsnprintf_c99=no, ac_cv_func_vsnprintf_c99=no)]) +dnl Note that the default is to be pessimistic in the case of cross compilation. +dnl If you know that the target has a C99 vsnprintf(), you can get around this +dnl by setting ac_func_vsnprintf_c99 to yes, as described in the Autoconf manual. +if test $ac_cv_func_vsnprintf_c99 = yes; then + AC_DEFINE(HAVE_C99_VSNPRINTF, 1, + [Define if you have a version of the vsnprintf function + with semantics as specified by the ISO C99 standard.]) +fi +])# AC_FUNC_VSNPRINTF_C99 + + +dnl @synopsis AC_FUNC_SNPRINTF_C99 +dnl +dnl Check whether there is a snprintf() function with C99 semantics installed. +dnl +AC_DEFUN([AC_FUNC_SNPRINTF_C99], +[AC_CACHE_CHECK(for C99 snprintf, + ac_cv_func_snprintf_c99, +[AC_TRY_RUN( +[#include <stdio.h> +#include <stdarg.h> + +int +doit() +{ + char buffer[32]; + va_list args; + int r; + + r = snprintf(buffer, 5, "1234567"); + + if (r != 7) + exit(1); + + r = snprintf(buffer, 0, "1234567"); + + if (r != 7) + exit(1); + + r = snprintf(NULL, 0, "1234567"); + + if (r != 7) + exit(1); + + exit(0); +} + +int +main(void) +{ + doit(); + exit(1); +}], ac_cv_func_snprintf_c99=yes, ac_cv_func_snprintf_c99=no, ac_cv_func_snprintf_c99=no)]) +dnl Note that the default is to be pessimistic in the case of cross compilation. +dnl If you know that the target has a C99 snprintf(), you can get around this +dnl by setting ac_func_snprintf_c99 to yes, as described in the Autoconf manual. +if test $ac_cv_func_snprintf_c99 = yes; then + AC_DEFINE(HAVE_C99_SNPRINTF, 1, + [Define if you have a version of the snprintf function + with semantics as specified by the ISO C99 standard.]) +fi +])# AC_FUNC_SNPRINTF_C99 + + +dnl @synopsis AC_FUNC_PRINTF_UNIX98 +dnl +dnl Check whether the printf() family supports Unix98 %n$ positional parameters +dnl +AC_DEFUN([AC_FUNC_PRINTF_UNIX98], +[AC_CACHE_CHECK(whether printf supports positional parameters, + ac_cv_func_printf_unix98, +[AC_TRY_RUN( +[#include <stdio.h> + +int +main (void) +{ + char buffer[128]; + + sprintf (buffer, "%2\$d %3\$d %1\$d", 1, 2, 3); + if (strcmp ("2 3 1", buffer) == 0) + exit (0); + exit (1); +}], ac_cv_func_printf_unix98=yes, ac_cv_func_printf_unix98=no, ac_cv_func_printf_unix98=no)]) +dnl Note that the default is to be pessimistic in the case of cross compilation. +dnl If you know that the target printf() supports positional parameters, you can get around +dnl this by setting ac_func_printf_unix98 to yes, as described in the Autoconf manual. +if test $ac_cv_func_printf_unix98 = yes; then + AC_DEFINE(HAVE_UNIX98_PRINTF, 1, + [Define if your printf function family supports positional parameters + as specified by Unix98.]) +fi +])# AC_FUNC_PRINTF_UNIX98 + +# Checks the location of the XML Catalog +# Usage: +# JH_PATH_XML_CATALOG([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +# Defines XMLCATALOG and XML_CATALOG_FILE substitutions +AC_DEFUN([JH_PATH_XML_CATALOG], +[ + # check for the presence of the XML catalog + AC_ARG_WITH([xml-catalog], + AC_HELP_STRING([--with-xml-catalog=CATALOG], + [path to xml catalog to use]),, + [with_xml_catalog=/etc/xml/catalog]) + jh_found_xmlcatalog=true + XML_CATALOG_FILE="$with_xml_catalog" + AC_SUBST([XML_CATALOG_FILE]) + AC_MSG_CHECKING([for XML catalog ($XML_CATALOG_FILE)]) + if test -f "$XML_CATALOG_FILE"; then + AC_MSG_RESULT([found]) + else + jh_found_xmlcatalog=false + AC_MSG_RESULT([not found]) + fi + + # check for the xmlcatalog program + AC_PATH_PROG(XMLCATALOG, xmlcatalog, no) + if test "x$XMLCATALOG" = xno; then + jh_found_xmlcatalog=false + fi + + if $jh_found_xmlcatalog; then + ifelse([$1],,[:],[$1]) + else + ifelse([$2],,[AC_MSG_ERROR([could not find XML catalog])],[$2]) + fi +]) + +# Checks if a particular URI appears in the XML catalog +# Usage: +# JH_CHECK_XML_CATALOG(URI, [FRIENDLY-NAME], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) +AC_DEFUN([JH_CHECK_XML_CATALOG], +[ + AC_REQUIRE([JH_PATH_XML_CATALOG],[JH_PATH_XML_CATALOG(,[:])])dnl + AC_MSG_CHECKING([for ifelse([$2],,[$1],[$2]) in XML catalog]) + if $jh_found_xmlcatalog && \ + AC_RUN_LOG([$XMLCATALOG --noout "$XML_CATALOG_FILE" "$1" >&2]); then + AC_MSG_RESULT([found]) + ifelse([$3],,,[$3 +])dnl + else + AC_MSG_RESULT([not found]) + ifelse([$4],, + [AC_MSG_ERROR([could not find ifelse([$2],,[$1],[$2]) in XML catalog])], + [$4]) + fi +]) + + +# signed.m4 serial 1 (gettext-0.10.40) +dnl Copyright (C) 2001-2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Bruno Haible. + +AC_DEFUN([bh_C_SIGNED], +[ + AC_CACHE_CHECK([for signed], bh_cv_c_signed, + [AC_TRY_COMPILE(, [signed char x;], bh_cv_c_signed=yes, bh_cv_c_signed=no)]) + if test $bh_cv_c_signed = no; then + AC_DEFINE(signed, , + [Define to empty if the C compiler doesn't support this keyword.]) + fi +]) + + +# longlong.m4 serial 4 +dnl Copyright (C) 1999-2003 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Paul Eggert. + +# Define HAVE_LONG_LONG if 'long long' works. + +AC_DEFUN([jm_AC_TYPE_LONG_LONG], +[ + AC_CACHE_CHECK([for long long], ac_cv_type_long_long, + [AC_TRY_LINK([long long ll = 1LL; int i = 63;], + [long long llmax = (long long) -1; + return ll << i | ll >> i | llmax / ll | llmax % ll;], + ac_cv_type_long_long=yes, + ac_cv_type_long_long=no)]) + if test $ac_cv_type_long_long = yes; then + AC_DEFINE(HAVE_LONG_LONG, 1, + [Define if you have the 'long long' type.]) + fi +]) + + +# longdouble.m4 serial 1 (gettext-0.11.6) +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Bruno Haible. +dnl Test whether the compiler supports the 'long double' type. +dnl Prerequisite: AC_PROG_CC + +AC_DEFUN([gt_TYPE_LONGDOUBLE], +[ + AC_CACHE_CHECK([for long double], gt_cv_c_long_double, + [if test "$GCC" = yes; then + gt_cv_c_long_double=yes + else + AC_TRY_COMPILE([ + /* The Stardent Vistra knows sizeof(long double), but does not support it. */ + long double foo = 0.0; + /* On Ultrix 4.3 cc, long double is 4 and double is 8. */ + int array [2*(sizeof(long double) >= sizeof(double)) - 1]; + ], , + gt_cv_c_long_double=yes, gt_cv_c_long_double=no) + fi]) + if test $gt_cv_c_long_double = yes; then + AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the 'long double' type.]) + fi +]) + + + +# wchar_t.m4 serial 1 (gettext-0.11.6) +dnl Copyright (C) 2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Bruno Haible. +dnl Test whether <stddef.h> has the 'wchar_t' type. +dnl Prerequisite: AC_PROG_CC + +AC_DEFUN([gt_TYPE_WCHAR_T], +[ + AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t, + [AC_TRY_COMPILE([#include <stddef.h> + wchar_t foo = (wchar_t)'\0';], , + gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)]) + if test $gt_cv_c_wchar_t = yes; then + AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.]) + fi +]) + + +# wint_t.m4 serial 1 +dnl Copyright (C) 2003 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Bruno Haible. +dnl Test whether <wchar.h> has the 'wint_t' type. +dnl Prerequisite: AC_PROG_CC + +AC_DEFUN([gt_TYPE_WINT_T], +[ + AC_CACHE_CHECK([for wint_t], gt_cv_c_wint_t, + [AC_TRY_COMPILE([#include <wchar.h> + wint_t foo = (wchar_t)'\0';], , + gt_cv_c_wint_t=yes, gt_cv_c_wint_t=no)]) + if test $gt_cv_c_wint_t = yes; then + AC_DEFINE(HAVE_WINT_T, 1, [Define if you have the 'wint_t' type.]) + fi +]) + + +# intmax_t.m4 serial 1 +dnl Copyright (C) 1997-2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Paul Eggert. + +AC_PREREQ(2.13) + +# Define intmax_t to 'long' or 'long long' +# if it is not already defined in <stdint.h> or <inttypes.h>. + +AC_DEFUN([jm_AC_TYPE_INTMAX_T], +[ + dnl For simplicity, we assume that a header file defines 'intmax_t' if and + dnl only if it defines 'uintmax_t'. + AC_REQUIRE([jm_AC_HEADER_INTTYPES_H]) + AC_REQUIRE([jm_AC_HEADER_STDINT_H]) + if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then + AC_REQUIRE([jm_AC_TYPE_LONG_LONG]) + test $ac_cv_type_long_long = yes \ + && ac_type='long long' \ + || ac_type='long' + AC_DEFINE_UNQUOTED(intmax_t, $ac_type, + [Define to long or long long if <inttypes.h> and <stdint.h> don't define.]) + else + AC_DEFINE(HAVE_INTMAX_T, 1, + [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) + fi +]) + +dnl An alternative would be to explicitly test for 'intmax_t'. + +AC_DEFUN([gt_AC_TYPE_INTMAX_T], +[ + AC_REQUIRE([jm_AC_HEADER_INTTYPES_H]) + AC_REQUIRE([jm_AC_HEADER_STDINT_H]) + AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t, + [AC_TRY_COMPILE([ +#include <stddef.h> +#include <stdlib.h> +#if HAVE_STDINT_H_WITH_UINTMAX +#include <stdint.h> +#endif +#if HAVE_INTTYPES_H_WITH_UINTMAX +#include <inttypes.h> +#endif +], [intmax_t x = -1;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)]) + if test $gt_cv_c_intmax_t = yes; then + AC_DEFINE(HAVE_INTMAX_T, 1, + [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.]) + else + AC_REQUIRE([jm_AC_TYPE_LONG_LONG]) + test $ac_cv_type_long_long = yes \ + && ac_type='long long' \ + || ac_type='long' + AC_DEFINE_UNQUOTED(intmax_t, $ac_type, + [Define to long or long long if <stdint.h> and <inttypes.h> don't define.]) + fi +]) + + +# stdint_h.m4 serial 3 (gettext-0.11.6) +dnl Copyright (C) 1997-2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Paul Eggert. + +# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists, +# doesn't clash with <sys/types.h>, and declares uintmax_t. + +AC_DEFUN([jm_AC_HEADER_STDINT_H], +[ + AC_CACHE_CHECK([for stdint.h], jm_ac_cv_header_stdint_h, + [AC_TRY_COMPILE( + [#include <sys/types.h> +#include <stdint.h>], + [uintmax_t i = (uintmax_t) -1;], + jm_ac_cv_header_stdint_h=yes, + jm_ac_cv_header_stdint_h=no)]) + if test $jm_ac_cv_header_stdint_h = yes; then + AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1, + [Define if <stdint.h> exists, doesn't clash with <sys/types.h>, + and declares uintmax_t. ]) + fi +]) + + +# inttypes_h.m4 serial 5 (gettext-0.11.6) +dnl Copyright (C) 1997-2002 Free Software Foundation, Inc. +dnl This file is free software, distributed under the terms of the GNU +dnl General Public License. As a special exception to the GNU General +dnl Public License, this file may be distributed as part of a program +dnl that contains a configuration script generated by Autoconf, under +dnl the same distribution terms as the rest of that program. + +dnl From Paul Eggert. + +# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists, +# doesn't clash with <sys/types.h>, and declares uintmax_t. + +AC_DEFUN([jm_AC_HEADER_INTTYPES_H], +[ + AC_CACHE_CHECK([for inttypes.h], jm_ac_cv_header_inttypes_h, + [AC_TRY_COMPILE( + [#include <sys/types.h> +#include <inttypes.h>], + [uintmax_t i = (uintmax_t) -1;], + jm_ac_cv_header_inttypes_h=yes, + jm_ac_cv_header_inttypes_h=no)]) + if test $jm_ac_cv_header_inttypes_h = yes; then + AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1, + [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>, + and declares uintmax_t. ]) + fi +]) + + |