Merge branch 'master' into netbsd-support

[oweals/gnunet.git] / bootstrap

diff --git a/bootstrap b/bootstrap
index 12c7f41f3290a52e5ad913895037490070855692..06a82ddfc45ec3986985d22bf9508536b31b357c 100755 (executable)
--- a/bootstrap
+++ b/bootstrap
@@ -1,44 +1,121 @@
 #!/bin/sh
+#
+# We should use /usr/bin/env sh, but some systems are notoriously picky.
+# In fact we could ommit this line if some automations wouldn't rely on
+# running this file via ./bootstrap.
+#
 # This file is in the public domain.
-echo "Removing folder 'libltdl'..."
-rm -rf libltdl
+# SPDX-License-Identifier: 0BSD
+#
+# We can't set -eu because we encounter warnings which
+# result in stops, whereas the warnings can for now be
+# safely ignored.
+# set -eu
 
-# This is more portable than `which' but comes with
-# the caveat of not(?) properly working on busybox's ash:
-existence()
+cleanup()
 {
-    command -v "$1" >/dev/null 2>&1
+    echo "Removing folder 'libltdl'..."
+    rm -rf libltdl
 }
 
+errmsg=''
 
-if existence uncrustify; then
-    echo "Installing uncrustify hook and configuration"
-    # Install uncrustify format symlink (if possible)
-    ln -s contrib/uncrustify.cfg uncrustify.cfg 2> /dev/null
-    # Install pre-commit hook (if possible)
-    ln -s ../../contrib/uncrustify_precommit .git/hooks/pre-commit 2> /dev/null
-else
-    echo "Uncrustify not detected, hook not installed. Please install uncrustify if you plan on doing development"
+# Check if shell supports builtin 'type'.
+if test -z "$errmsg"; then
+    if ! (eval 'type type') >/dev/null 2>&1
+    then
+        errmsg='Shell does not support type builtin'
+        exit 1
+    fi
 fi
 
+# This is more portable than `which' but comes with
+# the caveat of not(?) properly working on busybox's ash:
+existence()
+{
+    type "$1" >/dev/null 2>&1
+}
+
+check_uncrustify()
+{
+    if existence uncrustify; then
+        echo "Installing uncrustify hook and configuration"
+        ln -fs contrib/build-common/conf/uncrustify.cfg uncrustify.cfg 2> /dev/null
+        ln -fs contrib/build-common/conf/uncrustify_precommit .git/hooks/pre-commit 2> /dev/null
+    else
+        echo "Uncrustify not detected, hook not installed."
+        echo "Please install uncrustify if you plan on doing development"
+    fi
+}
 
 # yapf can be a suffixed binary, don't change the essential logic
 # of this if you change it.
-if existence yapf || existence yapf3.0 || existence yapf3.1 || existence yapf3.2 || existence yapf3.3 || existence yapf3.4 || existence yapf3.5 || existence yapf3.6 || existence yapf3.7 || existence yapf3.8 || existence yapf3.9 || existence yapf4.0; then
-    echo "Installing yapf symlink"
-    # Install yapf style symlink (if possible)
-    ln -s contrib/conf/.style.yapf 2> /dev/null
-else
-    echo "yapf not detected, please install yapf if you plan on contributing python code"
-fi
+check_yapf()
+{
+    if existence yapf || \
+       existence yapf3.0 || \
+       existence yapf3.1 || \
+       existence yapf3.2 || \
+       existence yapf3.3 || \
+       existence yapf3.4 || \
+       existence yapf3.5 || \
+       existence yapf3.6 || \
+       existence yapf3.7 || \
+       existence yapf3.8 || \
+       existence yapf3.9 || \
+       existence yapf4.0; then
+        echo "Installing yapf symlink"
+        ln -fs contrib/build-common/conf/.style.yapf .style.yapf 2> /dev/null
+    else
+        echo "yapf not detected, please install yapf if you plan on contributing python code"
+    fi
+}
 
+check_libtool()
+{
+    echo "checking for libtoolize / libtool... "
 
-echo "checking for libtoolize / libtool... "
+    if existence libtool || \
+       existence libtoolize || \
+       existence glibtoolize || \
+       existence slibtool; then
+        autoreconf -if
+        . "bin/pogen.sh"
+    else
+        echo "*** No libtoolize (libtool) or libtool found, please install it ***" >&2;
+        exit 1
+    fi
+}
 
-if existence libtool || existence libtoolize || existence glibtoolize || existence slibtool; then
-    autoreconf -if
-    . "bin/pogen.sh"
-else
-    echo "*** No libtoolize (libtool) or libtool found, please install it ***" >&2;
-    exit 1
-fi
+submodules()
+{
+    # Try to update the submodule. Since bootstrap
+    # is also invoked by distributors, we must
+    # ignore any failing of this function as we
+    # could have no outgoing network connection
+    # in a restricted environment.
+    if ! git --version >/dev/null; then
+        echo "git not installed, skipping submodule update"
+    else
+        git submodule update --init || true
+        git submodule update --recursive --remote || true
+        git submodule sync || true
+    fi
+}
+
+init_buildcommon_include()
+{
+    cp contrib/build-common/Makefile.inc contrib/Makefile.inc || true
+}
+
+main()
+{
+    cleanup
+    submodules
+    init_buildcommon_include
+    check_uncrustify
+    check_yapf
+    check_libtool
+}
+
+main "$@"