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charset="utf-8" Do not use cgcc; instead, extract compilation commands from compile_command= s.json and invoke sparse directly. Signed-off-by: Paolo Bonzini --- Makefile | 1 + configure | 8 ++------ meson.build | 7 +++++++ scripts/check_sparse.py | 25 +++++++++++++++++++++++++ 4 files changed, 35 insertions(+), 6 deletions(-) create mode 100644 scripts/check_sparse.py diff --git a/Makefile b/Makefile index 18f6aa7..9a75047 100644 --- a/Makefile +++ b/Makefile @@ -1245,6 +1245,7 @@ endif $(call print-help,install,Install QEMU, documentation and tools) $(call print-help,ctags/TAGS,Generate tags file for editors) $(call print-help,cscope,Generate cscope index) + $(call print-help,sparse,Run sparse on the QEMU source) @echo '' @$(if $(TARGET_DIRS), \ echo 'Architecture specific targets:'; \ diff --git a/configure b/configure index bdd35d2..6ee1359 100755 --- a/configure +++ b/configure @@ -2986,7 +2986,7 @@ fi ########################################## # Sparse probe if test "$sparse" !=3D "no" ; then - if has cgcc; then + if has sparse; then sparse=3Dyes else if test "$sparse" =3D "yes" ; then @@ -7777,11 +7777,7 @@ echo "QEMU_CFLAGS=3D$QEMU_CFLAGS" >> $config_host_mak echo "QEMU_CXXFLAGS=3D$QEMU_CXXFLAGS" >> $config_host_mak echo "QEMU_INCLUDES=3D$QEMU_INCLUDES" >> $config_host_mak if test "$sparse" =3D "yes" ; then - echo "CC :=3D REAL_CC=3D\"\$(CC)\" cgcc" >> $config_host= _mak - echo "CPP :=3D REAL_CC=3D\"\$(CPP)\" cgcc" >> $config_host= _mak - echo "CXX :=3D REAL_CC=3D\"\$(CXX)\" cgcc" >> $config_host= _mak - echo "HOST_CC :=3D REAL_CC=3D\"\$(HOST_CC)\" cgcc" >> $config_host= _mak - echo "QEMU_CFLAGS +=3D -Wbitwise -Wno-transparent-union -Wno-old-initia= lizer -Wno-non-pointer-null" >> $config_host_mak + echo "SPARSE_CFLAGS =3D -Wbitwise -Wno-transparent-union -Wno-old-initia= lizer -Wno-non-pointer-null" >> $config_host_mak fi echo "QEMU_LDFLAGS=3D$QEMU_LDFLAGS" >> $config_host_mak echo "LDFLAGS_NOPIE=3D$LDFLAGS_NOPIE" >> $config_host_mak diff --git a/meson.build b/meson.build index ed61853..9749c3d 100644 --- a/meson.build +++ b/meson.build @@ -17,6 +17,13 @@ add_project_arguments(config_host['QEMU_INCLUDES'].split= (), =20 python =3D import('python').find_installation(config_host['PYTHON'].split(= )[0]) =20 +if 'SPARSE_CFLAGS' in config_host + run_target('sparse', + command: [find_program('scripts/check_sparse.py'), + config_host['SPARSE_CFLAGS'].split(), + 'compile_commands.json']) +endif + if host_machine.system() =3D=3D 'darwin' add_languages('objc', required: false) endif diff --git a/scripts/check_sparse.py b/scripts/check_sparse.py new file mode 100644 index 0000000..0de7aa5 --- /dev/null +++ b/scripts/check_sparse.py @@ -0,0 +1,25 @@ +#! /usr/bin/env python3 + +# Invoke sparse based on the contents of compile_commands.json + +import json +import subprocess +import sys +import shlex + +def extract_cflags(shcmd): + cflags =3D shlex.split(shcmd) + return [x for x in cflags + if x.startswith('-D') or x.startswith('-I') or x.startswith('-= W') + or x.startswith('-std=3D')] + +cflags =3D sys.argv[1:-1] +with open(sys.argv[-1], 'r') as fd: + compile_commands =3D json.load(fd) + +for cmd in compile_commands: + cmd =3D ['sparse'] + cflags + extract_cflags(cmd['command']) + [cmd['f= ile']] + print(' '.join((shlex.quote(x) for x in cmd))) + r =3D subprocess.run(cmd) + if r.returncode !=3D 0: + sys.exit(r.returncode) --=20 1.8.3.1