dnl $Id$
dnl $Name$
-dnl From codeset.m4 (in libcharset):
-#serial 2
-
-dnl From Bruno Haible.
-
-AC_DEFUN(jm_LANGINFO_CODESET,
-[
- AC_CHECK_HEADERS(langinfo.h)
- AC_CHECK_FUNCS(nl_langinfo)
-
- AC_CACHE_CHECK([for nl_langinfo and CODESET], jm_cv_langinfo_codeset,
- [AC_TRY_LINK([#include <langinfo.h>],
- [char* cs = nl_langinfo(CODESET);],
- jm_cv_langinfo_codeset=yes,
- jm_cv_langinfo_codeset=no)
- ])
- if test $jm_cv_langinfo_codeset = yes; then
- AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
- [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
- fi
-])
-
-dnl From glibc21.m4 (in libcharset):
-#serial 2
-
-# Test for the GNU C Library, version 2.1 or newer.
-# From Bruno Haible.
-
-AC_DEFUN(jm_GLIBC21,
- [
- AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
- ac_cv_gnu_library_2_1,
- [AC_EGREP_CPP([Lucky GNU user],
- [
-#include <features.h>
-#ifdef __GNU_LIBRARY__
- #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
- Lucky GNU user
- #endif
-#endif
- ],
- ac_cv_gnu_library_2_1=yes,
- ac_cv_gnu_library_2_1=no)
- ]
- )
- AC_SUBST(GLIBC21)
- GLIBC21="$ac_cv_gnu_library_2_1"
- ]
-)
-
dnl Own functions
dnl gedcom_GLIBC_ICONV()
dnl Checks whether iconv is coming from glibc, defines USE_GLIBC_ICONV if so
dnl The variable $is_glibc_iconv contains yes or no
-AC_DEFUN(gedcom_GLIBC_ICONV, [
- AC_CACHE_CHECK(for the GNU C Library iconv implementation, is_glibc_iconv, [
+AC_DEFUN(gedcom_GLIBC22_ICONV, [
+ AC_CACHE_CHECK(for the GNU C Library 2.2 iconv implementation, is_glibc22_iconv, [
AC_EGREP_CPP(yes,
[
#include <iconv.h>
#ifdef __GLIBC__
+ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) || (__GLIBC__ > 2)
yes
+ #endif
#endif
- ], is_glibc_iconv=yes, is_glibc_iconv=no)
+ ], is_glibc22_iconv=yes, is_glibc22_iconv=no)
])
- if test "$is_glibc_iconv" = yes; then
+ if test "$is_glibc22_iconv" = yes; then
AC_DEFINE(USE_GLIBC_ICONV,1,
[Define if the GNU implementation of iconv in glibc is used])
fi
])
+dnl gedcom_ICONV_HAS_CONV()
+dnl Checks whether iconv has support to convert $1 to $2
+dnl The variable $iconv_has_conv contains yes or no afterwards
+dnl (overwritten on subsequent calls)
+AC_DEFUN(gedcom_ICONV_HAS_CONV, [
+ my_save_LIBS="$LIBS"
+ LIBS="$LIBS $LIBICONV"
+ AC_TRY_RUN([
+#include <iconv.h>
+int main() {
+ iconv_t cd = iconv_open("$2","$1");
+ return (cd == (iconv_t)-1);
+}
+ ],
+ iconv_has_conv=yes,
+ iconv_has_conv=no,
+ iconv_has_conv=no)
+ LIBS="$my_save_LIBS"
+ ])
+])
+
+dnl gedcom_SANE_ICONV()
+dnl Checks whether the iconv implementation has the basic functionality
+dnl that we need
+dnl The variable $is_iconv_sane contains yes or no
+AC_DEFUN(gedcom_SANE_ICONV, [
+ AC_CACHE_CHECK(whether iconv has the needed functionality, is_iconv_sane, [
+ is_iconv_sane=yes
+ gedcom_ICONV_HAS_CONV(ASCII, UTF-8)
+ if test "$iconv_has_conv" = "no"; then
+ is_iconv_sane=no
+ else
+ gedcom_ICONV_HAS_CONV(UCS-2LE, UTF-8)
+ if test "$iconv_has_conv" = "no"; then
+ is_iconv_sane=no
+ else
+ gedcom_ICONV_HAS_CONV(UCS-2BE, UTF-8)
+ if test "$iconv_has_conv" = "no"; then
+ is_iconv_sane=no
+ fi
+ fi
+ fi
+ ])
+])
+
dnl gedcom_LIBICONV_HAS_ANSEL()
dnl Checks whether libiconv has ANSEL support
dnl The variable $is_ansel_supported contains yes or no
AC_DEFUN(gedcom_LIBICONV_HAS_ANSEL, [
AC_CACHE_CHECK(for ANSEL support in libiconv, is_ansel_supported, [
- my_save_LIBS="$LIBS"
- LIBS="$LIBS $LIBICONV"
+ is_ansel_supported=no
+ gedcom_ICONV_HAS_CONV(ANSEL, UTF-8)
+ if test "$iconv_has_conv" = yes; then
+ is_ansel_supported=yes
+ fi
+ ])
+])
+
+dnl gedcom_SYS_NEWLINE()
+dnl Checks how newline is written on the system
+dnl SYS_NEWLINE is set to one of the following:
+dnl END_CR, END_LF, END_CR_LF, END_LF_CR
+AC_DEFUN(gedcom_SYS_NEWLINE, [
+ AC_CACHE_CHECK(how to represent newline, ac_cv_system_newline, [
+ echo > newlinetest
AC_TRY_RUN([
-#include <iconv.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdio.h>
int main() {
- iconv_t cd = iconv_open("UTF-8","ANSEL");
- return (cd == (iconv_t)-1);
+ char buffer[11];
+ int i, fd;
+ FILE* f;
+ for (i=0; i<10; i++) { buffer[i] = '\0'; }
+ fd = open("newlinetest", O_RDONLY);
+ if (fd == -1) return 1;
+ read(fd, buffer, 10);
+ close(fd);
+ f = fopen("newlinetest", "w");
+ if (!f) return 1;
+ i = 0;
+ while (buffer[i] != '\0') { fprintf(f, "%02x", buffer[i++]); }
+ fclose(f);
+ return 0;
}
],
- is_ansel_supported=yes,
- is_ansel_supported=no,
- is_ansel_supported=no)
- LIBS="$my_save_LIBS"
+ [system_newline_output=`cat newlinetest`
+ case "$system_newline_output" in
+ 0a0d) ac_cv_system_newline="\"\x0A\x0D\"" ;;
+ 0d0a) ac_cv_system_newline="\"\x0D\x0A\"" ;;
+ 0a) ac_cv_system_newline="\"\x0A\"" ;;
+ 0d) ac_cv_system_newline="\"\x0D\"" ;;
+ *) ac_cv_system_newline="\"\x0A\"" ;;
+ esac],
+ ac_cv_system_newline="\"\x0A\"",
+ ac_cv_system_newline="\"\x0A\"")
+ rm -f newlinetest
])
+ AC_DEFINE_UNQUOTED(SYS_NEWLINE,$ac_cv_system_newline,
+ [The representation of newline in text files in the system])
])