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autoconf: Checks for libraries 

./configure script checks now if the following libraries are present:
 * -lssl    for SHA1_Init (NO_OPENSSL)
 * -lcurl   for curl_easy_setopt (NO_CURL)
 * -lexpat  for XML_ParserCreate (NO_EXPAT)
It also checks if adding the following libraries are needed:
 * -lcrypto for SHA1_Init (NEEDS_SSL_WITH_CRYPTO)
 * -liconv  for iconv (NEEDS_LIBICONV)
 * -lsocket for socket (NEEDS_SOCKET)

Policy: we check also if NEEDS_LIBRARY libraries are present, even if
there is no NO_LIBRARY variable.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Jakub Narebski 2006-07-08 23:07:12 +02:00 committed by Junio C Hamano
parent 1bbbadbc2c
commit ebdf53210c
1 changed files with 21 additions and 7 deletions
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28
configure.ac
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@ -26,22 +26,36 @@ AC_DEFUN([GIT_CONF_APPEND_LINE],
## Checks for libraries.
AC_MSG_NOTICE([CHECKS for libraries])
# Define NO_OPENSSL environment variable if you do not have OpenSSL.
# This also implies MOZILLA_SHA1.
#
# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
AC_CHECK_LIB([ssl], [SHA1_Init],[],
[AC_CHECK_LIB([crypto], [SHA1_INIT],
GIT_CONF_APPEND_LINE(NEEDS_SSL_WITH_CRYPTO=YesPlease),
GIT_CONF_APPEND_LINE(NO_OPENSSL=YesPlease))])
# 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],[],
GIT_CONF_APPEND_LINE(NO_CURL=YesPlease))
# 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 NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
#
AC_CHECK_LIB([expat], [XML_ParserCreate],[],
GIT_CONF_APPEND_LINE(NO_EXPAT=YesPlease))
# Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
#
AC_CHECK_LIB([c], [iconv],[],
[AC_CHECK_LIB([iconv],[iconv],
GIT_CONF_APPEND_LINE(NEEDS_LIBICONV=YesPlease),[])])
# Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
# Patrick Mauritz).
AC_CHECK_LIB([c], [socket],[],
[AC_CHECK_LIB([socket],[socket],
GIT_CONF_APPEND_LINE(NEEDS_SOCKET=YesPlease),[])])
## Checks for header files.