From 8fb40377decf45a23d6eefc9ba803b8ff40557d0 Mon Sep 17 00:00:00 2001 From: David Lamparter Date: Mon, 4 May 2020 18:39:35 +0200 Subject: build: add LLVM bitcode targets Just an easy way to produce LLVM .bc (bitcode) files. Not used during normal builds. Signed-off-by: David Lamparter --- python/makefile.py | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'python/makefile.py') diff --git a/python/makefile.py b/python/makefile.py index e60c8aadbc..948d3f7391 100644 --- a/python/makefile.py +++ b/python/makefile.py @@ -54,6 +54,7 @@ ${target}: ${clippybase}_clippy.c lines = before.splitlines() autoderp = '#AUTODERP# ' out_lines = [] +bcdeps = [] make_rule_re = re.compile('^([^:\s]+):\s*([^:\s]+)\s*($|\n)') while lines: @@ -77,6 +78,12 @@ while lines: out_lines.append(line) continue + target, dep = m.group(1), m.group(2) + + if target.endswith('.lo') or target.endswith('.o'): + if not dep.endswith('.h'): + bcdeps.append('%s.bc: %s' % (target, target)) + bcdeps.append('\t$(AM_V_LLVM_BC)$(COMPILE) -emit-llvm -c -o $@ %s' % (dep)) if m.group(2) in clippy_scan: out_lines.append(clippyauxdep.substitute(target=m.group(1), clippybase=m.group(2)[:-2])) @@ -85,6 +92,24 @@ while lines: out_lines.append('# clippy{\n# main clippy targets') for clippy_file in clippy_scan: out_lines.append(clippydep.substitute(clippybase = clippy_file[:-2])) + +out_lines.append('') +out_lines.extend(bcdeps) +out_lines.append('') +bc_targets = [] +for varname in ['bin_PROGRAMS', 'sbin_PROGRAMS', 'lib_LTLIBRARIES', 'module_LTLIBRARIES', 'noinst_LIBRARIES']: + bc_targets.extend(mv[varname].strip().split()) +for target in bc_targets: + amtgt = target.replace('/', '_').replace('.', '_').replace('-', '_') + objs = mv[amtgt + '_OBJECTS'].strip().split() + objs = [obj + '.bc' for obj in objs] + deps = mv.get(amtgt + '_DEPENDENCIES', '').strip().split() + deps = [d + '.bc' for d in deps if d.endswith('.a')] + objs.extend(deps) + out_lines.append('%s.bc: %s' % (target, ' '.join(objs))) + out_lines.append('\t$(AM_V_LLVM_LD)$(LLVM_LINK) -o $@ $^') + out_lines.append('') + out_lines.append('# }clippy') out_lines.append('') -- cgit v1.2.3