Azure pipelines: use make -k

azure-pipelines/build-linux

@@ -6,7 +6,7 @@ sudo apt-get -y install \
    docbook-xsl fop xsltproc libxml2-utils inkscape imagemagick
 ./configure --enable-werror --enable-doc-maintenance \
     --enable-show-failed-test-output
-make -j$(nproc)
+make -j$(nproc) -k
 make -k check
 make distfiles.zip
 ./make_dist --ci --no-tests

azure-pipelines/build-mac

@@ -4,12 +4,12 @@ curl -L https://www.ijg.org/files/jpegsrc.v9c.tar.gz -o jpegsrc.v9c.tar.gz
 tar xzf jpegsrc.v9c.tar.gz
 cd jpeg-9c
 ./configure
-make
+make -k
 sudo make install
 cd ..
 if [ -f distfiles/distfiles.zip ]; then
     unzip distfiles/distfiles.zip
 fi
 ./configure --enable-werror --enable-show-failed-test-output
-make -j$(nproc)
+make -j$(nproc) -k
 make -k check

azure-pipelines/build-windows

@@ -28,7 +28,7 @@ PATH=$cwd/libqpdf/build:$PATH
 installdir=install-$tool$wordsize
 rm -rf $installdir
 ./config-$tool --with-windows-wordsize=$wordsize --enable-show-failed-test-output
-make -j$(nproc)
+make -j$(nproc) -k
 make -k check
 make install