Re: git version 1.9.0 missing git-http-push?

[Erik Faye-Lund <kusmabite@gmail.com>]

On Mon, Apr 28, 2014 at 11:01 AM, Erik Faye-Lund <kusmabite@gmail.com> wrote:
> On Mon, Apr 28, 2014 at 10:48 AM, Erik Faye-Lund <kusmabite@gmail.com> wrote:
>> So it seems that 08900987 ("Decide whether to build http-push in the
>> Makefile") makes a bad assumption about the availability of
>> curl-config on new libcurl installations; it's not present on "stock"
>> Windows builds.
>
> I wonder, though. That check is over 8 years old. Are that old systems
> (that haven't been upgraded) still able to build Git? Even my old
> RedHat 5 setup has curl 7.15.5...
>
> Perhaps the following is the right thing to do? If not, perhaps we
> could move this complication to configure.ac, which could get the
> version number from the header-file instead? That way, quirks only
> affect quirky systems...

And here's a stab at that. Not really tested, as I don't have an
affected system, so it's probably broken somehow ;)

But if someone want's to pick it up, at least there's a starting-point.

---

diff --git a/Makefile b/Makefile
index 29a555d..b94f830 100644
--- a/Makefile
+++ b/Makefile
@@ -1133,11 +1133,8 @@ else
  REMOTE_CURL_NAMES = $(REMOTE_CURL_PRIMARY) $(REMOTE_CURL_ALIASES)
  PROGRAM_OBJS += http-fetch.o
  PROGRAMS += $(REMOTE_CURL_NAMES)
- curl_check := $(shell (echo 070908; curl-config --vernum)
2>/dev/null | sort -r | sed -ne 2p)
- ifeq "$(curl_check)" "070908"
- ifndef NO_EXPAT
- PROGRAM_OBJS += http-push.o
- endif
+ ifndef NO_CAPABLE_CURL
+ PROGRAM_OBJS += http-push.o
  endif
  ifndef NO_EXPAT
  ifdef EXPATDIR
diff --git a/configure.ac b/configure.ac
index 2f43393..47991c0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -513,6 +513,16 @@ AC_CHECK_LIB([curl], [curl_global_init],
 [NO_CURL=],
 [NO_CURL=YesPlease])

+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([#include <curlver.h>],
+ [#if LIBCURL_VERSION_NUM < 0x070908
+#error version too old
+#endif
+ ])],
+ [NO_CAPABLE_CURL=YesPlease],
+ [NO_CAPABLE_CURL=])
+GIT_CONF_SUBST([NO_CAPABLE_CURL])
+
 GIT_UNSTASH_FLAGS($CURLDIR)

 GIT_CONF_SUBST([NO_CURL])

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