gen_makefile: add --install-prefix argument

Make it feasible to set installation prefixes for both autotools and
meson projects (open5gs) when building them with osmo-dev. This will be
used by the new testenv script for osmo-ttcn3-hacks.

Related: OS#6494
Change-Id: I1788a9a1e6c83f108e03968f797c258da20863b0
---
M gen_makefile.py
1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/gen_makefile.py b/gen_makefile.py
index ff8ab78..ca9003a 100755
--- a/gen_makefile.py
+++ b/gen_makefile.py
@@ -50,6 +50,7 @@
 import os
 import argparse
 import multiprocessing
+import shlex
 
 topdir = os.path.dirname(os.path.realpath(__file__))
 all_deps_file = os.path.join(topdir, "all.deps")
@@ -118,6 +119,9 @@
 parser.add_argument('-a', '--auto-distclean', action='store_true',
     help='''run "make distclean" automatically if source directory already configured''')
 
+parser.add_argument('-i', '--install-prefix', default='/usr/local',
+                    help='''install there instead of /usr/local''')
+
 args = parser.parse_args()
 
 class listdict(dict):
@@ -252,7 +256,9 @@
 	-chmod -R ug+w {build_proj}
 	-rm -rf {build_proj}
 	mkdir -p {build_proj}
-	cd {build_proj}; {cflags}{docker_cmd}{build_to_src}/configure {configure_opts}
+	cd {build_proj}; {cflags}{docker_cmd}{build_to_src}/configure \\
+		--prefix {shlex.quote(args.install_prefix)} \\
+		{configure_opts}
 	sync
 	touch $@
     '''
@@ -263,7 +269,8 @@
 	-chmod -R ug+w {build_proj}
 	-rm -rf {build_proj}
 	mkdir -p {build_proj}
-	cd {build_proj}; {cflags}{docker_cmd}meson setup {build_to_src} .
+	cd {build_proj}; {cflags}{docker_cmd}meson setup {build_to_src} . \\
+		--prefix {shlex.quote(args.install_prefix)}
 	sync
 	touch $@
     '''

