diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 102 |
1 files changed, 58 insertions, 44 deletions
diff --git a/configure.ac b/configure.ac index a43b476402..031e8d3fee 100644 --- a/configure.ac +++ b/configure.ac @@ -85,7 +85,7 @@ AC_DEFUN([GIT_PARSE_WITH], # GIT_PARSE_WITH_SET_MAKE_VAR(WITHNAME, VAR, HELP_TEXT) # ----------------------------------------------------- -# Set VAR to the value specied by --with-WITHNAME. +# Set VAR to the value specified by --with-WITHNAME. # No verification of arguments is performed, but warnings are issued # if either 'yes' or 'no' is specified. # HELP_TEXT is presented when --help is called. @@ -252,16 +252,17 @@ GIT_PARSE_WITH([openssl])) # Define USE_LIBPCRE if you have and want to use libpcre. Various # commands such as log and grep offer runtime options to use # Perl-compatible regular expressions instead of standard or extended -# POSIX regular expressions. -# -# USE_LIBPCRE is a synonym for USE_LIBPCRE2, define USE_LIBPCRE1 -# instead if you'd like to use the legacy version 1 of the PCRE -# library. Support for version 1 will likely be removed in some future -# release of Git, as upstream has all but abandoned it. +# POSIX regular expressions. Only libpcre version 2 is supported. # # Define LIBPCREDIR=/foo/bar if your PCRE header and library files are in # /foo/bar/include and /foo/bar/lib directories. # + +AC_ARG_WITH(libpcre1, +AS_HELP_STRING([--with-libpcre1],[DEPRECATED]), + AC_MSG_ERROR([support for --with-libpcre1 has been removed. Use --with-libpcre2!]) + ) + AC_ARG_WITH(libpcre, AS_HELP_STRING([--with-libpcre],[synonym for --with-libpcre2]), if test "$withval" = "no"; then @@ -277,22 +278,6 @@ AS_HELP_STRING([--with-libpcre],[synonym for --with-libpcre2]), GIT_CONF_SUBST([LIBPCREDIR]) fi) -AC_ARG_WITH(libpcre1, -AS_HELP_STRING([--with-libpcre1],[support Perl-compatible regexes via libpcre1 (default is NO)]) -AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]), - if test "$withval" = "no"; then - USE_LIBPCRE1= - elif test "$withval" = "yes"; then - USE_LIBPCRE1=YesPlease - else - USE_LIBPCRE1=YesPlease - LIBPCREDIR=$withval - AC_MSG_NOTICE([Setting LIBPCREDIR to $LIBPCREDIR]) - dnl USE_LIBPCRE1 can still be modified below, so don't substitute - dnl it yet. - GIT_CONF_SUBST([LIBPCREDIR]) - fi) - AC_ARG_WITH(libpcre2, AS_HELP_STRING([--with-libpcre2],[support Perl-compatible regexes via libpcre2 (default is NO)]) AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]), @@ -300,10 +285,6 @@ AS_HELP_STRING([], [ARG can be also prefix for libpcre library and hea AC_MSG_ERROR([Only supply one of --with-libpcre or its synonym --with-libpcre2!]) fi - if test -n "$USE_LIBPCRE1"; then - AC_MSG_ERROR([Only supply one of --with-libpcre1 or --with-libpcre2!]) - fi - if test "$withval" = "no"; then USE_LIBPCRE2= elif test "$withval" = "yes"; then @@ -554,25 +535,9 @@ GIT_CONF_SUBST([NEEDS_SSL_WITH_CRYPTO]) GIT_CONF_SUBST([NO_OPENSSL]) # -# Handle the USE_LIBPCRE1 and USE_LIBPCRE2 options potentially set -# above. +# Handle the USE_LIBPCRE options potentially set above. # -if test -n "$USE_LIBPCRE1"; then - -GIT_STASH_FLAGS($LIBPCREDIR) - -AC_CHECK_LIB([pcre], [pcre_version], -[USE_LIBPCRE1=YesPlease], -[USE_LIBPCRE1=]) - -GIT_UNSTASH_FLAGS($LIBPCREDIR) - -GIT_CONF_SUBST([USE_LIBPCRE1]) - -fi - - if test -n "$USE_LIBPCRE2"; then GIT_STASH_FLAGS($LIBPCREDIR) @@ -844,12 +809,61 @@ AC_MSG_CHECKING([for old iconv()]) AC_COMPILE_IFELSE([OLDICONVTEST_SRC], [AC_MSG_RESULT([no])], [AC_MSG_RESULT([yes]) + AC_DEFINE(HAVE_OLD_ICONV, 1) OLD_ICONV=UnfortunatelyYes]) GIT_UNSTASH_FLAGS($ICONVDIR) GIT_CONF_SUBST([OLD_ICONV]) +# +# Define ICONV_OMITS_BOM if you are on a system which +# iconv omits bom for utf-{16,32} +if test -z "$NO_ICONV"; then +AC_CACHE_CHECK([whether iconv omits bom for utf-16 and utf-32], + [ac_cv_iconv_omits_bom], +[ +old_LIBS="$LIBS" +if test -n "$NEEDS_LIBICONV"; then + LIBS="$LIBS -liconv" +fi + +AC_RUN_IFELSE( + [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT + #include <iconv.h> + #ifdef HAVE_OLD_ICONV + typedef const char *iconv_ibp; + #else + typedef char *iconv_ibp; + #endif + ], + [[ + int v; + iconv_t conv; + char in[] = "a"; iconv_ibp pin = in; + char out[20] = ""; char *pout = out; + size_t isz = sizeof in; + size_t osz = sizeof out; + + conv = iconv_open("UTF-16", "UTF-8"); + iconv(conv, &pin, &isz, &pout, &osz); + iconv_close(conv); + v = (unsigned char)(out[0]) + (unsigned char)(out[1]); + return v != 0xfe + 0xff; + ]])], + [ac_cv_iconv_omits_bom=no], + [ac_cv_iconv_omits_bom=yes]) + +LIBS="$old_LIBS" +]) +if test "x$ac_cv_iconv_omits_bom" = xyes; then + ICONV_OMITS_BOM=Yes +else + ICONV_OMITS_BOM= +fi +GIT_CONF_SUBST([ICONV_OMITS_BOM]) +fi + ## Checks for typedefs, structures, and compiler characteristics. AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics]) # |