From: Anders F Björklund <anders.f.bjorklund@gmail.com>
Date: Sun, 21 Jul 2019 14:35:18 +0000 (+0200)
Subject: Add option to build static libb2 from source
X-Git-Tag: v4.0~877
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=6c370127a940c5abbcc3e69345e6993ac40f2059;p=thirdparty%2Fccache.git

Add option to build static libb2 from source
---

diff --git a/.travis.yml b/.travis.yml
index 129d36191..ee4f0b230 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,12 +37,12 @@ matrix:
   # Job 3: Mac OS X native Clang
   - os: osx
     compiler: clang
-    env: V=1 CONFIGURE="--with-libzstd-from-internet" ENABLE_CACHE_CLEANUP_TESTS=1
+    env: V=1 CONFIGURE="--with-libzstd-from-internet --with-libb2-from-internet" ENABLE_CACHE_CLEANUP_TESTS=1
 
   # Job 4: Linux 32-bit native
   - os: linux
     compiler: gcc
-    env: V=1 CFLAGS="-m32 -g -O2" LDFLAGS="-m32" CONFIGURE="--host=i386-linux-gnu --with-libzstd-from-internet" ENABLE_CACHE_CLEANUP_TESTS=1
+    env: V=1 CFLAGS="-m32 -g -O2" LDFLAGS="-m32" CONFIGURE="--host=i386-linux-gnu --with-libzstd-from-internet --with-libb2-from-internet" ENABLE_CACHE_CLEANUP_TESTS=1
     addons:
       apt:
         packages:
@@ -52,7 +52,7 @@ matrix:
   # Job 5: Linux cross-compiled 32-bit MinGW
   - os: linux
     compiler: i686-w64-mingw32-gcc
-    env: V=1 CONFIGURE="--host=i686-w64-mingw32 --with-libzstd-from-internet" TEST="unittest/run.exe" ENABLE_CACHE_CLEANUP_TESTS=1
+    env: V=1 CONFIGURE="--host=i686-w64-mingw32 --with-libzstd-from-internet --with-libb2-from-internet" TEST="unittest/run.exe" ENABLE_CACHE_CLEANUP_TESTS=1
     addons:
       apt:
         packages:
@@ -62,7 +62,7 @@ matrix:
   # Job 6: Linux cross-compiled 64-bit MinGW
   - os: linux
     compiler: x86_64-w64-mingw32-gcc
-    env: V=1 CONFIGURE="--host=x86_64-w64-mingw32 --with-libzstd-from-internet" TEST="unittest/run.exe" ENABLE_CACHE_CLEANUP_TESTS=1
+    env: V=1 CONFIGURE="--host=x86_64-w64-mingw32 --with-libzstd-from-internet --with-libb2-from-internet" TEST="unittest/run.exe" ENABLE_CACHE_CLEANUP_TESTS=1
     addons:
       apt:
         packages:
diff --git a/Makefile.in b/Makefile.in
index a58cdb660..1d89e0251 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -117,6 +117,7 @@ install: ccache$(EXEEXT) @disable_man@ccache.1
 clean:
 	rm -rf $(files_to_clean)
 	[ ! -d src/third_party/zstd ] || $(MAKE) -C src/third_party/zstd/lib clean
+	[ ! -d src/libb2 ] || $(MAKE) -C src/libb2 clean
 
 src/snprintf.o: CFLAGS += @no_implicit_fallthrough_warning@
 
@@ -128,6 +129,14 @@ libzstd_options = \
 src/third_party/zstd/lib/libzstd.a:
 	$(MAKE) -C src/third_party/zstd/lib libzstd.a $(libzstd_options) CC="$(CC)"
 
+libb2_options = \
+    --disable-shared \
+    --enable-static
+
+src/libb2/src/.libs/libb2.a:
+	cd src/libb2 && ./configure --build=@build_alias@ --host=@host_alias@ --target=@target_alias@ ${libb2_options}
+	$(MAKE) -C src/libb2 CC="$(CC)"
+
 .PHONY: performance
 performance: ccache$(EXEEXT)
 	$(srcdir)/misc/performance --ccache ccache$(EXEEXT) $(CC) $(all_cppflags) $(all_cflags) $(srcdir)/src/ccache.c
diff --git a/configure.ac b/configure.ac
index 8a85089c9..06a3b33e9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -161,6 +161,43 @@ else
     extra_libs="src/third_party/zstd/lib/libzstd.a"
 fi
 
+dnl Check for libb2
+libb2_version=0.98.1
+libb2_url=https://github.com/BLAKE2/libb2/releases/download/v${libb2_version}/libb2-${libb2_version}.tar.gz
+
+AC_ARG_WITH(libb2-from-internet,
+  [AS_HELP_STRING([--with-libb2-from-internet],
+    [download and use libb2 from the Internet instead of using the system's default libb2])])
+if test x${with_libb2_from_internet} = x; then
+    AC_CHECK_LIB([b2],[blake2b], [found_libb2=yes])
+    if test x${found_libb2} = x; then
+        AC_MSG_ERROR(please install libb2 or use --with-libb2-from-internet)
+    fi
+    LIBS="$LIBS -lb2"
+else
+    libb2_archive=`basename ${libb2_url}`
+    if ! test -f ${libb2_archive}; then
+        AC_CHECK_TOOL(WGET, wget)
+        if test -n "$WGET"; then
+            AC_MSG_NOTICE(downloading libb2 from $libb2_url)
+            wget -q ${libb2_url}
+        else
+            AC_CHECK_TOOL(CURL, curl)
+            if test -n "$CURL"; then
+                AC_MSG_NOTICE(downloading libb2 from $libb2_url)
+                curl -sLOJ ${libb2_url}
+            else
+                AC_MSG_ERROR(please install wget or curl)
+            fi
+        fi
+    fi
+    (cd src && tar -xzf ../${libb2_archive})
+    rm -rf src/libb2
+    mv src/libb2-${libb2_version} src/libb2
+    CPPFLAGS="$CPPFLAGS -I$srcdir/src/libb2/src"
+    extra_libs="$extra_libs src/libb2/src/.libs/libb2.a"
+fi
+
 AC_ARG_ENABLE(man,
   [AS_HELP_STRING([--disable-man],
     [disable installing man pages])])
@@ -176,9 +213,6 @@ if test x${enable_tracing} = xyes; then
     extra_sources="src/third_party/minitrace.c"
 fi
 
-AC_CHECK_HEADERS(blake2.h)
-AC_CHECK_LIB([b2],[blake2b])
-
 dnl Linking on Windows needs ws2_32
 if test x${windows_os} = xyes; then
     LIBS="$LIBS -lws2_32"
diff --git a/dev.mk.in b/dev.mk.in
index c815cb434..b69eba336 100644
--- a/dev.mk.in
+++ b/dev.mk.in
@@ -170,6 +170,7 @@ endef
 distcheck: $(firstword $(dist_archives))
 	$(call do_distcheck)
 	$(call do_distcheck, --with-libzstd-from-internet)
+	$(call do_distcheck, --with-libb2-from-internet)
 	$(call do_distcheck, CC=clang)
 
 .PHONY: docs