configure.ac: check for clock_gettime and CLOCK_MONOTONIC

diff --git a/Makefile b/Makefile
index 827006ba611c7e8be0ae4d92eaeaa321d7b9feb2..1bbf5f950688be8bd8208dca57b3bb1739158e6e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -191,6 +191,10 @@ all::
 # Define NO_TRUSTABLE_FILEMODE if your filesystem may claim to support
 # the executable mode bit, but doesn't really do so.
 #
+# Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type
+# bits in mode values (e.g. z/OS defines I_SFMT to 0xFF000000 as opposed to the
+# usual 0xF000).
+#
 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
 #
 # Define NO_UNIX_SOCKETS if your system does not offer unix sockets.
@@ -339,6 +343,8 @@ all::
 # return NULL when it receives a bogus time_t.
 #
 # Define HAVE_CLOCK_GETTIME if your platform has clock_gettime in librt.
+#
+# Define HAVE_CLOCK_MONOTONIC if your platform has CLOCK_MONOTONIC in librt.
 
 GIT-VERSION-FILE: FORCE
        @$(SHELL_PATH) ./GIT-VERSION-GEN
@@ -995,6 +1001,9 @@ ifdef HAVE_ALLOCA_H
        BASIC_CFLAGS += -DHAVE_ALLOCA_H
 endif
 
+IMAP_SEND_BUILDDEPS =
+IMAP_SEND_LDFLAGS = $(OPENSSL_LINK) $(OPENSSL_LIBSSL) $(LIB_4_CRYPTO)
+
 ifdef NO_CURL
        BASIC_CFLAGS += -DNO_CURL
        REMOTE_CURL_PRIMARY =
@@ -1029,6 +1038,15 @@ else
                        PROGRAM_OBJS += http-push.o
                endif
        endif
+       curl_check := $(shell (echo 072200; curl-config --vernum) 2>/dev/null | sort -r | sed -ne 2p)
+       ifeq "$(curl_check)" "072200"
+               USE_CURL_FOR_IMAP_SEND = YesPlease
+       endif
+       ifdef USE_CURL_FOR_IMAP_SEND
+               BASIC_CFLAGS += -DUSE_CURL_FOR_IMAP_SEND
+               IMAP_SEND_BUILDDEPS = http.o
+               IMAP_SEND_LDFLAGS += $(CURL_LIBCURL)
+       endif
        ifndef NO_EXPAT
                ifdef EXPATDIR
                        BASIC_CFLAGS += -I$(EXPATDIR)/include
@@ -1230,6 +1248,10 @@ endif
 ifdef NO_TRUSTABLE_FILEMODE
        BASIC_CFLAGS += -DNO_TRUSTABLE_FILEMODE
 endif
+ifdef NEEDS_MODE_TRANSLATION
+       COMPAT_CFLAGS += -DNEEDS_MODE_TRANSLATION
+       COMPAT_OBJS += compat/stat.o
+endif
 ifdef NO_IPV6
        BASIC_CFLAGS += -DNO_IPV6
 endif
@@ -1382,6 +1404,10 @@ ifdef HAVE_CLOCK_GETTIME
        EXTLIBS += -lrt
 endif
 
+ifdef HAVE_CLOCK_MONOTONIC
+       BASIC_CFLAGS += -DHAVE_CLOCK_MONOTONIC
+endif
+
 ifeq ($(TCLTK_PATH),)
 NO_TCLTK = NoThanks
 endif
@@ -1662,7 +1688,7 @@ GIT-SCRIPT-DEFINES: FORCE
             fi
 
 
-$(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh GIT-SCRIPT-DEFINES
+$(SCRIPT_SH_GEN) : % : %.sh GIT-SCRIPT-DEFINES
        $(QUIET_GEN)$(cmd_munge_script) && \
        chmod +x $@+ && \
        mv $@+ $@
@@ -1676,8 +1702,11 @@ git.res: git.rc GIT-VERSION-FILE
          $(join -DMAJOR= -DMINOR=, $(wordlist 1,2,$(subst -, ,$(subst ., ,$(GIT_VERSION))))) \
          -DGIT_VERSION="\\\"$(GIT_VERSION)\\\"" $< -o $@
 
+# This makes sure we depend on the NO_PERL setting itself.
+$(SCRIPT_PERL_GEN): GIT-BUILD-OPTIONS
+
 ifndef NO_PERL
-$(patsubst %.perl,%,$(SCRIPT_PERL)): perl/perl.mak
+$(SCRIPT_PERL_GEN): perl/perl.mak
 
 perl/perl.mak: perl/PM.stamp
 
@@ -1690,7 +1719,7 @@ perl/perl.mak: GIT-CFLAGS GIT-PREFIX perl/Makefile perl/Makefile.PL
        $(QUIET_SUBDIR0)perl $(QUIET_SUBDIR1) PERL_PATH='$(PERL_PATH_SQ)' prefix='$(prefix_SQ)' $(@F)
 
 PERL_DEFINES = $(PERL_PATH_SQ):$(PERLLIB_EXTRA_SQ)
-$(patsubst %.perl,%,$(SCRIPT_PERL)): % : %.perl perl/perl.mak GIT-PERL-DEFINES GIT-VERSION-FILE
+$(SCRIPT_PERL_GEN): % : %.perl perl/perl.mak GIT-PERL-DEFINES GIT-VERSION-FILE
        $(QUIET_GEN)$(RM) $@ $@+ && \
        INSTLIBDIR=`MAKEFLAGS= $(MAKE) -C perl -s --no-print-directory instlibdir` && \
        INSTLIBDIR_EXTRA='$(PERLLIB_EXTRA_SQ)' && \
@@ -1724,7 +1753,7 @@ git-instaweb: git-instaweb.sh gitweb GIT-SCRIPT-DEFINES
        chmod +x $@+ && \
        mv $@+ $@
 else # NO_PERL
-$(patsubst %.perl,%,$(SCRIPT_PERL)) git-instaweb: % : unimplemented.sh
+$(SCRIPT_PERL_GEN) git-instaweb: % : unimplemented.sh
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
            -e 's|@@REASON@@|NO_PERL=$(NO_PERL)|g' \
@@ -1733,6 +1762,9 @@ $(patsubst %.perl,%,$(SCRIPT_PERL)) git-instaweb: % : unimplemented.sh
        mv $@+ $@
 endif # NO_PERL
 
+# This makes sure we depend on the NO_PYTHON setting itself.
+$(SCRIPT_PYTHON_GEN): GIT-BUILD-OPTIONS
+
 ifndef NO_PYTHON
 $(SCRIPT_PYTHON_GEN): GIT-CFLAGS GIT-PREFIX GIT-PYTHON-VARS
 $(SCRIPT_PYTHON_GEN): % : %.py
@@ -1874,7 +1906,7 @@ gettext.sp gettext.s gettext.o: GIT-PREFIX
 gettext.sp gettext.s gettext.o: EXTRA_CPPFLAGS = \
        -DGIT_LOCALE_PATH='"$(localedir_SQ)"'
 
-http-push.sp http.sp http-walker.sp remote-curl.sp: SPARSE_FLAGS += \
+http-push.sp http.sp http-walker.sp remote-curl.sp imap-send.sp: SPARSE_FLAGS += \
        -DCURL_DISABLE_TYPECHECK
 
 ifdef NO_EXPAT
@@ -1895,9 +1927,9 @@ endif
 git-%$X: %.o GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
 
-git-imap-send$X: imap-send.o GIT-LDFLAGS $(GITLIBS)
+git-imap-send$X: imap-send.o $(IMAP_SEND_BUILDDEPS) GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
-               $(LIBS) $(OPENSSL_LINK) $(OPENSSL_LIBSSL) $(LIB_4_CRYPTO)
+               $(LIBS) $(IMAP_SEND_LDFLAGS)
 
 git-http-fetch$X: http.o http-walker.o http-fetch.o GIT-LDFLAGS $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \