Fetch submodules even when we're not in a git repo (for tarballs)

Author: d-torrance

M2/libraries/Makefile.library.in

@@ -13,6 +13,7 @@ ifneq ($(PARALLEL),yes)
 NOTPARALLEL = -j1
 endif
 LIBNAME ?= $(shell basename `pwd`)
+GIT_REF ?= v$(VERSION)
 UNTARDIR = build
 OLDUNTARDIR = build-old
 TARDIR ?= $(LIBNAME)-$(VERSION)
@@ -127,10 +128,27 @@ fetch: .submodule-updated
 	$(MAKE) update-submodule
 	touch $@
 update-submodule:
-	@GIT@ submodule update --init @abs_top_srcdir@/submodules/$(LIBNAME)
+	if git rev-parse 2> /dev/null;                          \
+	then                                                    \
+		@GIT@ submodule update --init                   \
+			@abs_top_srcdir@/submodules/$(LIBNAME); \
+	else                                                    \
+		cd @abs_top_srcdir@/submodules;                 \
+		rm -rf $(LIBNAME);                              \
+		@GIT@ clone $(URL) $(LIBNAME);                  \
+		cd $(LIBNAME);                                  \
+		@GIT@ checkout $(GIT_REF);                      \
+	fi
+
 clean::
 	rm -f .submodule-updated
-	@GIT@ submodule deinit @abs_top_srcdir@/submodules/$(LIBNAME)
+	if git rev-parse 2> /dev/null;                                         \
+	then                                                                   \
+		@GIT@ submodule deinit @abs_top_srcdir@/submodules/$(LIBNAME); \
+	else                                                                   \
+		rm -rf @abs_top_srcdir@/submodules/$(LIBNAME);                 \
+		mkdir @abs_top_srcdir@/submodules/$(LIBNAME);                  \
+	fi
 else
 fetch: $(TARFILE_DIR)/$(TARFILE)
 endif

M2/libraries/fflas_ffpack/Makefile.in

@@ -4,6 +4,7 @@
 # This link is broken: http://linalg.org/projects/fflas-ffpack
 # http://linalg.org/
 SUBMODULE = true
+URL = https://github.com/linbox-team/fflas-ffpack
 VERSION = 2.5.0
 PRECONFIGURE = autoreconf -vif
 PATCHFILE = @abs_srcdir@/patch-$(VERSION)

M2/libraries/flint/Makefile.in

@@ -1,7 +1,7 @@
 SUBMODULE = true
 # LIBNAME = flint2
 HOMEPAGE = http://flintlib.org
-# git://github.com/wbhart/flint2.git
+URL = https://github.com/flintlib/flint
 VERSION = 3.3.1
 # PATCHFILE = @abs_srcdir@/patch-$(VERSION)
 PARALLEL = yes

M2/libraries/frobby/Makefile.in

@@ -2,7 +2,9 @@
 SUBMODULE = true
 LICENSEFILES = COPYING
 # author: Bjarke Roune <[email protected]>
+URL = https://github.com/Macaulay2/frobby
 VERSION = 0.9.5
+GIT_REF = 08e7cd9203
 # PATCHFILE = @abs_srcdir@/patch-$(VERSION)
 
 VPATH = @srcdir@

M2/libraries/gc/Makefile.in

@@ -1,7 +1,7 @@
 HOMEPAGE = http://www.hboehm.info/gc/
 SUBMODULE = true
 LIBNAME = bdwgc
-URL = http://www.hboehm.info/gc/gc_source/
+URL = https://github.com/ivmai/bdwgc.git
 GITURL = https://github.com/ivmai/bdwgc/
 VERSION = 8.2.8
 LICENSEFILES = README.QUICK

M2/libraries/givaro/Makefile.in

@@ -7,7 +7,8 @@ SUBMODULE = true
 VLIMIT = 900000
 MLIMIT = 900000
 
-VERSION = 4.2.0
+URL = https://github.com/linbox-team/givaro
+VERSION = 4.2.1
 # PATCHFILE = @abs_srcdir@/patch-$(VERSION)
 # the patch modifies test/Makefile.am, so we must remake test/Makefile.in
 PRECONFIGURE = autoreconf -vif

M2/libraries/gtest/Makefile.in

@@ -1,5 +1,6 @@
 SUBMODULE = true
 LIBNAME = googletest
+URL = https://github.com/google/googletest
 VERSION = 1.16.0
 CONFIGURECMD = cmake . -DCMAKE_INSTALL_PREFIX=$(PREFIX) -DBUILD_GMOCK=OFF \
 	-DCMAKE_INSTALL_LIBDIR=lib

M2/libraries/mathic/Makefile.in

@@ -1,7 +1,9 @@
 HOMEPAGE = https://github.com/broune/mathic
+URL = https://github.com/Macaulay2/mathic
 SUBMODULE = true
 VPATH = @srcdir@
-VERSION = 20250513-7abf77e4ce
+VERSION = 1.0~git20250513
+GIT_REF = 7abf77e4ce
 # PATCHFILE = @abs_srcdir@/patch-$(VERSION)
 PRECONFIGURE = autoreconf -i
 CONFIGOPTIONS = --disable-shared

M2/libraries/mathicgb/Makefile.in

@@ -1,7 +1,9 @@
 HOMEPAGE = https://github.com/broune/mathicgb
+URL = https://github.com/Macaulay2/mathicgb
 SUBMODULE = true
 VPATH = @srcdir@
-VERSION = 20250513-de13956492
+VERSION = 1.0~git20250513
+GIT_REF = de13956492
 # PATCHFILE = @abs_srcdir@/patch-$(VERSION)
 PRECONFIGURE = autoreconf -i
 CONFIGOPTIONS = --disable-shared PKG_CONFIG_PATH=$(LIBRARIESDIR)/lib/pkgconfig

M2/libraries/memtailor/Makefile.in

@@ -1,7 +1,9 @@
 SUBMODULE = true
 HOMEPAGE = https://github.com/broune/memtailor
+URL = https://github.com/Macaulay2/memtailor
 VPATH = @srcdir@
-VERSION = 20250513-07c84a6852
+VERSION = 1.0~git20250513
+GIT_REF = 07c84a6852
 # PATCHFILE = @abs_srcdir@/patch-$(VERSION)
 PRECONFIGURE = autoreconf -i
 CONFIGOPTIONS = --disable-shared