feat: add libssh2 and improve base lib build makefile

Author: jaromil

libs/GNUmakefile

@@ -1,24 +1,57 @@
+# Build base libs available in the toolchain
 
+# set externally to cross-compile for targets
 PREFIX ?= /opt/musl-dyne
 ARCH ?= x86_64-linux-musl
+
+# versions available on files.dyne.org
 LIBSSL ?= libressl-4.1.0
 ZLIB ?= zlib-ng-2.2.4
 CURL ?= curl-8.15.0
+SSH2 ?= libssh2-1.11.1
+
+# .PHONY: build-SSH2 build-CURL build-ZLIB build-LIBSSL
+
+CC := ccache $(PREFIX)/bin/$(ARCH)-gcc
+AR := $(PREFIX)/bin/$(ARCH)-ar
+T  := $(PREFIX)/$(ARCH)
 
-all: CC=$(PREFIX)/bin/$(ARCH)-gcc
-all: AR=$(PREFIX)/bin/$(ARCH)-ar
-all: $(LIBSSL).orig $(ZLIB).orig $(CURL).orig
+all: \
+	$(T)/lib/libssl.a  \
+	$(T)/lib/libz.a    \
+	$(T)/lib/libcurl.a \
+	$(T)/lib/libssh2.a
+
+$(T)/lib/libssl.a: $(LIBSSL).orig
+	$(info Building SSL library)
 	cd $(LIBSSL).orig \
-		&& CC=$(CC) AR=$(AR) CFLAGS="-static -g0 -Os" \
+		&& CC="$(CC)" AR=$(AR) CFLAGS="-static -g0 -Os" \
 			 ./configure --prefix=$(PREFIX)/$(ARCH) --disable-shared --disable-tests --disable-dependency-tracking --build=x86_64-linux-musl --host=$(ARCH) \
 		&& $(MAKE) -j`nproc` && $(MAKE) install
+
+$(T)/lib/libz.a: $(ZLIB).orig
+	$(info Building Z library)
 	mkdir -p $(ZLIB).orig/build && cd $(ZLIB).orig/build \
-		&& CC=$(CC) AR=$(AR) CFLAGS="-static -g0 -Os" PKG_CONFIG_PATH=$(PREFIX)/lib/pkgconfig \
-			 cmake .. -DZLIB_ENABLE_TESTS=no -DZLIB_COMPAT=yes -DCMAKE_C_COMPILER=$(CC) -DCMAKE_PREFIX_PATH=$(PREFIX) -DCMAKE_INSTALL_PREFIX=$(PREFIX)/$(ARCH) ZLIBNG_ENABLE_TESTS=no WITH_SANITIZER=no WITH_GTEST=no \
+		&& CC=$(PREFIX)/bin/$(ARCH)-gcc AR=$(AR) CFLAGS="-static -g0 -Os" PKG_CONFIG_PATH=$(PREFIX)/lib/pkgconfig \
+			 cmake .. -DZLIB_ENABLE_TESTS=no -DZLIB_COMPAT=yes \
+								-DCMAKE_C_COMPILER=$(PREFIX)/bin/$(ARCH)-gcc -DCMAKE_C_COMPILER_LAUNCHER=ccache \
+			 					-DCMAKE_PREFIX_PATH=$(PREFIX)/$(ARCH) -DCMAKE_INSTALL_PREFIX=$(PREFIX)/$(ARCH) \
+							  -DZLIBNG_ENABLE_TESTS=no -DWITH_SANITIZER=no -DWITH_GTEST=no \
 		&& $(MAKE) -j`nproc` && $(MAKE) install
+
+$(T)/lib/libcurl.a: $(CURL).orig
+	$(info Building CURL library)
 	cd $(CURL).orig \
-		&& CC=$(CC) AR=$(AR) CFLAGS="-static -g0 -Os" PKG_CONFIG_PATH=$(PREFIX)/lib/pkgconfig \
-			 ./configure --prefix=$(PREFIX)/$(ARCH) --disable-shared --with-zlib=$(PREFIX) --with-openssl --build=x86_64-linux-musl --host=$(ARCH) --with-sysroot=$(PREFIX) --without-libpsl --disable-docs \
+		&& CC="$(CC)" AR=$(AR) CFLAGS="-static -g0 -Os" PKG_CONFIG_PATH=$(PREFIX)/lib/pkgconfig \
+			 ./configure --prefix=$(PREFIX)/$(ARCH) --disable-shared --with-zlib=$(PREFIX)/$(ARCH) --with-openssl --build=x86_64-linux-musl --host=$(ARCH) --with-sysroot=$(PREFIX)/$(ARCH) --without-libpsl --disable-docs \
+		&& $(MAKE) -j`nproc` && $(MAKE) install
+
+$(T)/lib/libssh2.a: $(SSH2).orig
+	$(info Building SSH2 library)
+	cd $(SSH2).orig \
+		&& CC="$(CC)" AR=$(AR) CFLAGS="-static -g0 -Os" PKG_CONFIG_PATH=$(PREFIX)/lib/pkgconfig \
+			 ./configure --prefix=$(PREFIX)/$(ARCH) --disable-shared --disable-tests --with-crypto=openssl --with-sysroot=$(PREFIX)  \
+					--build=x86_64-linux-musl --host=$(ARCH) \
 		&& $(MAKE) -j`nproc` && $(MAKE) install
 
 # upstream: https://ftp.openbsd.org/pub/OpenBSD/LibreSSL/
@@ -33,10 +66,17 @@ $(ZLIB).tar.gz:
 $(CURL).tar.xz:
 	curl -L https://files.dyne.org/?file=musl/sources/$@ --output $@
 
+# upstream: https://libssh2.org
+$(SSH2).tar.xz:
+	curl -L https://files.dyne.org/?file=musl/sources/$@ --output $@
+
 clean:
-	cd $(LIBSSL).orig && $(MAKE) clean
-	cd $(ZLIB).orig   && $(MAKE) clean
-	cd $(CURL).orig   && $(MAKE) clean
+	rm -rf *.orig
+	rm -f \
+		$(T)/lib/libssl.a  \
+		$(T)/lib/libz.a    \
+		$(T)/lib/libcurl.a \
+		$(T)/lib/libssh2.a
 
 %.orig: %.tar.gz
 	tar zxf - < $<