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git-commit-vandalism/configure.ac
Eygene Ryabinkin 68daee085c Eliminate checks of user-specified Tcl/Tk interpreter. 
Do not make the checks on the Tcl/Tk interpreter passed by
'--with-tcltk=/path/to/wish' configure option: user is free to pass
anything.

Signed-off-by: Eygene Ryabinkin <rea-git@codelabs.ru>
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-03-31 23:59:47 -07:00

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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
AC_CONFIG_SRCDIR([git.c])
config_file=config.mak.autogen
config_append=config.mak.append
config_in=config.mak.in
echo "# ${config_append}. Generated by configure." > "${config_append}"
## Definitions of macros
# GIT_CONF_APPEND_LINE(LINE)
# --------------------------
# Append LINE to file ${config_append}
AC_DEFUN([GIT_CONF_APPEND_LINE],
[echo "$1" >> "${config_append}"])# GIT_CONF_APPEND_LINE
#
# GIT_ARG_SET_PATH(PROGRAM)
# -------------------------
# Provide --with-PROGRAM=PATH option to set PATH to PROGRAM
AC_DEFUN([GIT_ARG_SET_PATH],
[AC_ARG_WITH([$1],
[AS_HELP_STRING([--with-$1=PATH],
[provide PATH to $1])],
[GIT_CONF_APPEND_PATH($1)],[])
])# GIT_ARG_SET_PATH
#
# GIT_CONF_APPEND_PATH(PROGRAM)
# ------------------------------
# Parse --with-PROGRAM=PATH option to set PROGRAM_PATH=PATH
# Used by GIT_ARG_SET_PATH(PROGRAM)
AC_DEFUN([GIT_CONF_APPEND_PATH],
[PROGRAM=m4_toupper($1); \
if test "$withval" = "no"; then \
AC_MSG_ERROR([You cannot use git without $1]); \
else \
if test "$withval" = "yes"; then \
AC_MSG_WARN([You should provide path for --with-$1=PATH]); \
else \
GIT_CONF_APPEND_LINE(${PROGRAM}_PATH=$withval); \
fi; \
fi; \
]) # GIT_CONF_APPEND_PATH
#
# GIT_PARSE_WITH(PACKAGE)
# -----------------------
# For use in AC_ARG_WITH action-if-found, for packages default ON.
# * Set NO_PACKAGE=YesPlease for --without-PACKAGE
# * Set PACKAGEDIR=PATH for --with-PACKAGE=PATH
# * Unset NO_PACKAGE for --with-PACKAGE without ARG
AC_DEFUN([GIT_PARSE_WITH],
[PACKAGE=m4_toupper($1); \
if test "$withval" = "no"; then \
m4_toupper(NO_$1)=YesPlease; \
elif test "$withval" = "yes"; then \
m4_toupper(NO_$1)=; \
else \
m4_toupper(NO_$1)=; \
GIT_CONF_APPEND_LINE(${PACKAGE}DIR=$withval); \
fi \
])# GIT_PARSE_WITH
## Site configuration related to programs (before tests)
## --with-PACKAGE[=ARG] and --without-PACKAGE
#
# Define SHELL_PATH to provide path to shell.
GIT_ARG_SET_PATH(shell)
#
# Define PERL_PATH to provide path to Perl.
GIT_ARG_SET_PATH(perl)
#
# Declare the with-tcltk/without-tcltk options.
AC_ARG_WITH(tcltk,
AS_HELP_STRING([--with-tcltk],[use Tcl/Tk GUI (default is YES)])
AS_HELP_STRING([],[ARG is the full path to the Tcl/Tk interpreter.])
AS_HELP_STRING([],[Bare --with-tcltk will make the GUI part only if])
AS_HELP_STRING([],[Tcl/Tk interpreter will be found in a system.]),\
GIT_PARSE_WITH(tcltk))
#
## Checks for programs.
AC_MSG_NOTICE([CHECKS for programs])
#
AC_PROG_CC([cc gcc])
#AC_PROG_INSTALL # needs install-sh or install.sh in sources
AC_CHECK_TOOL(AR, ar, :)
AC_CHECK_PROGS(TAR, [gtar tar])
# TCLTK_PATH will be set to some value if we want Tcl/Tk
# or will be empty otherwise.
if test -z "$NO_TCLTK"; then
if test "$with_tcltk" = ""; then
# No Tcl/Tk switches given. Do not check for Tcl/Tk, use bare 'wish'.
TCLTK_PATH=wish
AC_SUBST(TCLTK_PATH)
elif test "$with_tcltk" = "yes"; then
# Tcl/Tk check requested.
AC_CHECK_PROGS(TCLTK_PATH, [wish], )
else
AC_MSG_RESULT([Using Tcl/Tk interpreter $with_tcltk])
TCLTK_PATH="$with_tcltk"
AC_SUBST(TCLTK_PATH)
fi
fi
## Checks for libraries.
AC_MSG_NOTICE([CHECKS for libraries])
#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
AC_CHECK_LIB([crypto], [SHA1_Init],
[NEEDS_SSL_WITH_CRYPTO=],
[AC_CHECK_LIB([ssl], [SHA1_Init],
[NEEDS_SSL_WITH_CRYPTO=YesPlease
NEEDS_SSL_WITH_CRYPTO=],
[NO_OPENSSL=YesPlease])])
AC_SUBST(NEEDS_SSL_WITH_CRYPTO)
AC_SUBST(NO_OPENSSL)
#
# Define NO_CURL if you do not have curl installed. git-http-pull and
# git-http-push are not built, and you cannot use http:// and https://
# transports.
AC_CHECK_LIB([curl], [curl_global_init],
[NO_CURL=],
[NO_CURL=YesPlease])
AC_SUBST(NO_CURL)
#
# Define NO_EXPAT if you do not have expat installed. git-http-push is
# not built, and you cannot push using http:// and https:// transports.
AC_CHECK_LIB([expat], [XML_ParserCreate],
[NO_EXPAT=],
[NO_EXPAT=YesPlease])
AC_SUBST(NO_EXPAT)
#
# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and
# some Solaris installations).
# Define NO_ICONV if neither libc nor libiconv support iconv.
AC_DEFUN([ICONVTEST_SRC], [
#include <iconv.h>
int main(void)
{
iconv_open("", "");
return 0;
}
])
AC_MSG_CHECKING([for iconv in -lc])
AC_LINK_IFELSE(ICONVTEST_SRC,
[AC_MSG_RESULT([yes])
NEEDS_LIBICONV=],
[AC_MSG_RESULT([no])
old_LIBS="$LIBS"
LIBS="$LIBS -liconv"
AC_MSG_CHECKING([for iconv in -liconv])
AC_LINK_IFELSE(ICONVTEST_SRC,
[AC_MSG_RESULT([yes])
NEEDS_LIBICONV=YesPlease],
[AC_MSG_RESULT([no])
NO_ICONV=YesPlease])
LIBS="$old_LIBS"])
AC_SUBST(NEEDS_LIBICONV)
AC_SUBST(NO_ICONV)
test -n "$NEEDS_LIBICONV" && LIBS="$LIBS -liconv"
#
# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
# Patrick Mauritz).
AC_CHECK_LIB([c], [socket],
[NEEDS_SOCKET=],
[NEEDS_SOCKET=YesPlease])
AC_SUBST(NEEDS_SOCKET)
test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
## Checks for header files.
## Checks for typedefs, structures, and compiler characteristics.
AC_MSG_NOTICE([CHECKS for typedefs, structures, and compiler characteristics])
#
# Define NO_D_INO_IN_DIRENT if you don't have d_ino in your struct dirent.
AC_CHECK_MEMBER(struct dirent.d_ino,
[NO_D_INO_IN_DIRENT=],
[NO_D_INO_IN_DIRENT=YesPlease],
[#include <dirent.h>])
AC_SUBST(NO_D_INO_IN_DIRENT)
#
# Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
# d_type in struct dirent (latest Cygwin -- will be fixed soonish).
AC_CHECK_MEMBER(struct dirent.d_type,
[NO_D_TYPE_IN_DIRENT=],
[NO_D_TYPE_IN_DIRENT=YesPlease],
[#include <dirent.h>])
AC_SUBST(NO_D_TYPE_IN_DIRENT)
#
# Define NO_SOCKADDR_STORAGE if your platform does not have struct
# sockaddr_storage.
AC_CHECK_TYPE(struct sockaddr_storage,
[NO_SOCKADDR_STORAGE=],
[NO_SOCKADDR_STORAGE=YesPlease],[
#include <sys/types.h>
#include <sys/socket.h>
])
AC_SUBST(NO_SOCKADDR_STORAGE)
#
# Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
AC_CHECK_TYPE([struct addrinfo],[
AC_CHECK_FUNC([getaddrinfo],
[NO_IPV6=],
[NO_IPV6=YesPlease])
],[NO_IPV6=YesPlease],[
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
])
AC_SUBST(NO_IPV6)
#
# Define NO_C99_FORMAT if your formatted IO functions (printf/scanf et.al.)
# do not support the 'size specifiers' introduced by C99, namely ll, hh,
# j, z, t. (representing long long int, char, intmax_t, size_t, ptrdiff_t).
# some C compilers supported these specifiers prior to C99 as an extension.
AC_CACHE_CHECK([whether formatted IO functions support C99 size specifiers],
[ac_cv_c_c99_format],
[# Actually git uses only %z (%zu) in alloc.c, and %t (%td) in mktag.c
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
[[char buf[64];
if (sprintf(buf, "%lld%hhd%jd%zd%td", (long long int)1, (char)2, (intmax_t)3, (size_t)4, (ptrdiff_t)5) != 5)
exit(1);
else if (strcmp(buf, "12345"))
exit(2);]])],
[ac_cv_c_c99_format=yes],
[ac_cv_c_c99_format=no])
])
if test $ac_cv_c_c99_format = no; then
NO_C99_FORMAT=YesPlease
else
NO_C99_FORMAT=
fi
AC_SUBST(NO_C99_FORMAT)
## Checks for library functions.
## (in default C library and libraries checked by AC_CHECK_LIB)
AC_MSG_NOTICE([CHECKS for library functions])
#
# Define NO_STRCASESTR if you don't have strcasestr.
AC_CHECK_FUNC(strcasestr,
[NO_STRCASESTR=],
[NO_STRCASESTR=YesPlease])
AC_SUBST(NO_STRCASESTR)
#
# Define NO_STRLCPY if you don't have strlcpy.
AC_CHECK_FUNC(strlcpy,
[NO_STRLCPY=],
[NO_STRLCPY=YesPlease])
AC_SUBST(NO_STRLCPY)
#
# Define NO_SETENV if you don't have setenv in the C library.
AC_CHECK_FUNC(setenv,
[NO_SETENV=],
[NO_SETENV=YesPlease])
AC_SUBST(NO_SETENV)
#
# Define NO_MMAP if you want to avoid mmap.
#
# Define NO_ICONV if your libc does not properly support iconv.
## Other checks.
# Define USE_PIC if you need the main git objects to be built with -fPIC
# in order to build and link perl/Git.so. x86-64 seems to need this.
#
# Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
# Enable it on Windows. By default, symrefs are still used.
## Site configuration (override autodetection)
## --with-PACKAGE[=ARG] and --without-PACKAGE
AC_MSG_NOTICE([CHECKS for site configuration])
#
# Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
# tests. These tests take up a significant amount of the total test time
# but are not needed unless you plan to talk to SVN repos.
#
# Define MOZILLA_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
# choice) has very fast version optimized for i586.
#
# Define PPC_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine optimized for PowerPC.
#
# Define ARM_SHA1 environment variable when running make to make use of
# a bundled SHA1 routine optimized for ARM.
#
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
# This also implies MOZILLA_SHA1.
#
# Define OPENSSLDIR=/foo/bar if your openssl header and library files are in
# /foo/bar/include and /foo/bar/lib directories.
AC_ARG_WITH(openssl,
AS_HELP_STRING([--with-openssl],[use OpenSSL library (default is YES)])
AS_HELP_STRING([], [ARG can be prefix for openssl library and headers]),\
GIT_PARSE_WITH(openssl))
#
# Define NO_CURL if you do not have curl installed. git-http-pull and
# git-http-push are not built, and you cannot use http:// and https://
# transports.
#
# Define CURLDIR=/foo/bar if your curl header and library files are in
# /foo/bar/include and /foo/bar/lib directories.
AC_ARG_WITH(curl,
AS_HELP_STRING([--with-curl],[support http(s):// transports (default is YES)])
AS_HELP_STRING([], [ARG can be also prefix for curl library and headers]),
GIT_PARSE_WITH(curl))
#
# Define NO_EXPAT if you do not have expat installed. git-http-push is
# not built, and you cannot push using http:// and https:// transports.
#
# Define EXPATDIR=/foo/bar if your expat header and library files are in
# /foo/bar/include and /foo/bar/lib directories.
AC_ARG_WITH(expat,
AS_HELP_STRING([--with-expat],
[support git-push using http:// and https:// transports via WebDAV (default is YES)])
AS_HELP_STRING([], [ARG can be also prefix for expat library and headers]),
GIT_PARSE_WITH(expat))
#
# Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
# installed in /sw, but don't want GIT to link against any libraries
# installed there. If defined you may specify your own (or Fink's)
# include directories and library directories by defining CFLAGS
# and LDFLAGS appropriately.
#
# Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
# have DarwinPorts installed in /opt/local, but don't want GIT to
# link against any libraries installed there. If defined you may
# specify your own (or DarwinPort's) include directories and
# library directories by defining CFLAGS and LDFLAGS appropriately.
#
# Define NO_MMAP if you want to avoid mmap.
#
# Define NO_ICONV if your libc does not properly support iconv.
AC_ARG_WITH(iconv,
AS_HELP_STRING([--without-iconv],
[if your architecture doesn't properly support iconv])
AS_HELP_STRING([--with-iconv=PATH],
[PATH is prefix for libiconv library and headers])
AS_HELP_STRING([],
[used only if you need linking with libiconv]),
GIT_PARSE_WITH(iconv))
## --enable-FEATURE[=ARG] and --disable-FEATURE
#
# Define USE_NSEC below if you want git to care about sub-second file mtimes
# and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
# it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
# randomly break unless your underlying filesystem supports those sub-second
# times (my ext3 doesn't).
#
# Define USE_STDEV below if you want git to care about the underlying device
# change being considered an inode change from the update-cache perspective.
## Output files
AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
AC_OUTPUT
## Cleanup
rm -f "${config_append}"
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