# 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.
# 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 "$withval" = "no"; then
GIT_CONF_SUBST([LIBPCREDIR])
fi)
-AC_ARG_WITH(libpcre1,
-AS_HELP_STRING([--with-libpcre1],[support Perl-compatible regexes via libpcre1 (default is NO)])
-AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]),
- if test "$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 $LIBPCREDIR])
- dnl USE_LIBPCRE1 can still be modified below, so don't substitute
- dnl it yet.
- GIT_CONF_SUBST([LIBPCREDIR])
- fi)
-
AC_ARG_WITH(libpcre2,
AS_HELP_STRING([--with-libpcre2],[support Perl-compatible regexes via libpcre2 (default is NO)])
AS_HELP_STRING([], [ARG can be also prefix for libpcre library and headers]),
AC_MSG_ERROR([Only supply one of --with-libpcre or its synonym --with-libpcre2!])
fi
- if test -n "$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
if test "$git_cv_ld_rpath" = "yes"; then
CC_LD_DYNPATH=-rpath
else
- CC_LD_DYNPATH=
- AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
+ AC_CACHE_CHECK([if linker supports -Wl,+b,], git_cv_ld_wl_b, [
+ SAVE_LDFLAGS="${LDFLAGS}"
+ LDFLAGS="${SAVE_LDFLAGS} -Wl,+b,/"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [git_cv_ld_wl_b=yes], [git_cv_ld_wl_b=no])
+ LDFLAGS="${SAVE_LDFLAGS}"
+ ])
+ if test "$git_cv_ld_wl_b" = "yes"; then
+ CC_LD_DYNPATH=-Wl,+b,
+ else
+ CC_LD_DYNPATH=
+ AC_MSG_WARN([linker does not support runtime path to dynamic libraries])
+ fi
fi
fi
fi
GIT_CONF_SUBST([NO_OPENSSL])
#
-# Handle the USE_LIBPCRE1 and USE_LIBPCRE2 options potentially set
-# above.
+# Handle the USE_LIBPCRE options potentially set above.
#
-if test -n "$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)
GIT_CONF_SUBST([NEEDS_LIBGEN])
test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen"
-AC_CHECK_LIB([c], [gettext],
-[LIBC_CONTAINS_LIBINTL=YesPlease],
-[LIBC_CONTAINS_LIBINTL=])
+AC_DEFUN([LIBINTL_SRC], [
+AC_LANG_PROGRAM([[
+#include <libintl.h>
+]],[[
+char *msg = gettext("test");
+]])])
+
+AC_MSG_CHECKING([if libc contains libintl])
+AC_LINK_IFELSE([LIBINTL_SRC],
+ [AC_MSG_RESULT([yes])
+ LIBC_CONTAINS_LIBINTL=YesPlease],
+ [AC_MSG_RESULT([no])
+ LIBC_CONTAINS_LIBINTL=])
GIT_CONF_SUBST([LIBC_CONTAINS_LIBINTL])
#
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])
#
projects / thirdparty / git.git / blobdiff