Merge branch 'jc/c99'

[thirdparty/git.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index cb812584cbb1f48326c4f49063baa2aee25b9288..c1f7751e6f8af39e812fb14963174ef8cb83d29f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -22,26 +22,47 @@ AC_DEFUN([GIT_CONF_APPEND_LINE],
 
 
 ## Checks for programs.
-# Define NO_PYTHON if you want to loose all benefits of the recursive merge.
+AC_MSG_NOTICE([CHECKS for programs])
+#
+AC_PROG_CC
+#AC_PROG_INSTALL               # needs install-sh or install.sh in sources
+AC_CHECK_TOOL(AR, ar, :)
+AC_CHECK_PROGS(TAR, [gtar tar])
+#
+# Define NO_PYTHON if you want to lose all benefits of the recursive merge.
 
 
 ## 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.
@@ -49,31 +70,40 @@ AC_DEFUN([GIT_CONF_APPEND_LINE],
 
 ## 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,[],
-GIT_CONF_APPEND_LINE(NO_D_INO_IN_DIRENT=YesPlease),
+[GIT_CONF_APPEND_LINE(NO_D_INO_IN_DIRENT=YesPlease)],
 [#include <dirent.h>])
-
+#
 # 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,[],
-GIT_CONF_APPEND_LINE(NO_D_TYPE_IN_DIRENT=YesPlease),
+[GIT_CONF_APPEND_LINE(NO_D_TYPE_IN_DIRENT=YesPlease)],
 [#include <dirent.h>])
-
+#
 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
 # sockaddr_storage.
 AC_CHECK_TYPE(struct sockaddr_storage,[],
-GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=YesPlease),
+[GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=YesPlease)],
 [#include <netinet/in.h>])
 
 
 ## 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,[],
+[GIT_CONF_APPEND_LINE(NO_STRCASESTR=YesPlease)])
 #
 # Define NO_STRLCPY if you don't have strlcpy.
+AC_CHECK_FUNC(strlcpy,[],
+[GIT_CONF_APPEND_LINE(NO_STRLCPY=YesPlease)])
 #
 # Define NO_SETENV if you don't have setenv in the C library.
+AC_CHECK_FUNC(setenv,[],
+[GIT_CONF_APPEND_LINE(NO_SETENV=YesPlease)])
 #
 # Define NO_MMAP if you want to avoid mmap.
 #
@@ -148,5 +178,6 @@ GIT_CONF_APPEND_LINE(NO_SOCKADDR_STORAGE=YesPlease),
 AC_CONFIG_FILES(["${config_file}":"${config_in}":"${config_append}"])
 AC_OUTPUT
 
+
 ## Cleanup
 rm -f "${config_append}"