Revert the whole "ask curl-config" topic for now

Postpone this a bit during the feature freeze and retry the effort
in the next cycle.

Makefile

@@ -34,18 +34,8 @@ all::
 # git-http-push are not built, and you cannot use http:// and https://
 # transports (neither smart nor dumb).
 #
-# Define CURL_CONFIG to the path to a curl-config binary other than the
-# default 'curl-config'.  If CURL_CONFIG is unset or points to a binary that
-# is not found, defaults to the CURLDIR behavior.
-#
-# Define CURL_STATIC to statically link libcurl.  Only applies if
-# CURL_CONFIG is used.
-#
 # Define CURLDIR=/foo/bar if your curl header and library files are in
-# /foo/bar/include and /foo/bar/lib directories.  This overrides
-# CURL_CONFIG, but is less robust.  If not set, and CURL_CONFIG is not set,
-# uses -lcurl with no additional library detection (other than
-# NEEDS_*_WITH_CURL).
+# /foo/bar/include and /foo/bar/lib directories.
 #
 # 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 (dumb).
@@ -153,11 +143,9 @@ all::
 #
 # Define NEEDS_SSL_WITH_CRYPTO if you need -lssl when using -lcrypto (Darwin).
 #
-# Define NEEDS_SSL_WITH_CURL if you need -lssl with -lcurl (Minix).  Only used
-# if CURLDIR is set.
+# Define NEEDS_SSL_WITH_CURL if you need -lssl with -lcurl (Minix).
 #
-# Define NEEDS_IDN_WITH_CURL if you need -lidn when using -lcurl (Minix).  Only
-# used if CURLDIR is set.
+# Define NEEDS_IDN_WITH_CURL if you need -lidn when using -lcurl (Minix).
 #
 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
 #
@@ -1130,45 +1118,21 @@ ifdef NO_CURL
 	REMOTE_CURL_NAMES =
 else
 	ifdef CURLDIR
-		CURL_LIBCURL =
+		# Try "-Wl,-rpath=$(CURLDIR)/$(lib)" in such a case.
+		BASIC_CFLAGS += -I$(CURLDIR)/include
+		CURL_LIBCURL = -L$(CURLDIR)/$(lib) $(CC_LD_DYNPATH)$(CURLDIR)/$(lib) -lcurl
 	else
-		CURL_CONFIG = curl-config
-		ifeq "$(CURL_CONFIG)" ""
-			CURL_LIBCURL =
-		else
-			CURL_LIBCURL := $(shell $(CURL_CONFIG) --libs)
-		endif
+		CURL_LIBCURL = -lcurl
 	endif
-
-	ifeq "$(CURL_LIBCURL)" ""
-		ifdef CURL_STATIC
-$(error "CURL_STATIC must be used with CURL_CONFIG")
-		endif
-		ifdef CURLDIR
-			# Try "-Wl,-rpath=$(CURLDIR)/$(lib)" in such a case.
-			BASIC_CFLAGS += -I$(CURLDIR)/include
-			CURL_LIBCURL = -L$(CURLDIR)/$(lib) $(CC_LD_DYNPATH)$(CURLDIR)/$(lib) -lcurl
-		else
-			CURL_LIBCURL = -lcurl
-		endif
-		ifdef NEEDS_SSL_WITH_CURL
-			CURL_LIBCURL += -lssl
-			ifdef NEEDS_CRYPTO_WITH_SSL
-				CURL_LIBCURL += -lcrypto
-			endif
-		endif
-		ifdef NEEDS_IDN_WITH_CURL
-			CURL_LIBCURL += -lidn
-		endif
-	else
-		BASIC_CFLAGS += $(shell $(CURL_CONFIG) --cflags)
-		ifdef CURL_STATIC
-			CURL_LIBCURL = $(shell $(CURL_CONFIG) --static-libs)
-			ifeq "$(CURL_LIBCURL)" ""
-$(error libcurl not detected or not compiled with static support)
-			endif
+	ifdef NEEDS_SSL_WITH_CURL
+		CURL_LIBCURL += -lssl
+		ifdef NEEDS_CRYPTO_WITH_SSL
+			CURL_LIBCURL += -lcrypto
 		endif
 	endif
+	ifdef NEEDS_IDN_WITH_CURL
+		CURL_LIBCURL += -lidn
+	endif
 
 	REMOTE_CURL_PRIMARY = git-remote-http$X
 	REMOTE_CURL_ALIASES = git-remote-https$X git-remote-ftp$X git-remote-ftps$X