forked from lix-project/lix
Merge changes Ib7c80826,I636f8a71,I67669b98 into main
* changes: perl: un-autos your conf build: declare all the deps as -isystem darwin: workaround PROC_PIDLISTFDS on processes with no fds
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Gerrit Code Review
commit
790d1079e1
15
doc/manual/rl-next/haunted-gc-macos.md
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15
doc/manual/rl-next/haunted-gc-macos.md
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@ -0,0 +1,15 @@
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---
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synopsis: "Fix unexpectedly-successful GC failures on macOS"
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cls: 1723
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issues: fj#446
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credits: jade
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category: Fixes
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---
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Has the following happened to you on macOS? This failure has been successfully eliminated, thanks to our successful deployment of advanced successful-failure detection technology (it's just `if (failed && errno == 0)`. Patent pending<sup>not really</sup>):
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```
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$ nix-store --gc --print-dead
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finding garbage collector roots...
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error: Listing pid 87261 file descriptors: Undefined error: 0
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```
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59
meson.build
59
meson.build
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@ -203,23 +203,23 @@ gc_opt = get_option('gc').disable_if(
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'address' in get_option('b_sanitize'),
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error_message: 'gc does far too many memory crimes for ASan'
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)
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boehm = dependency('bdw-gc', required : gc_opt, version : '>=8.2.6')
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boehm = dependency('bdw-gc', required : gc_opt, version : '>=8.2.6', include_type : 'system')
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configdata += {
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'HAVE_BOEHMGC': boehm.found().to_int(),
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}
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boost = dependency('boost', required : true, modules : ['container'])
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boost = dependency('boost', required : true, modules : ['container'], include_type : 'system')
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# cpuid only makes sense on x86_64
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cpuid_required = is_x64 ? get_option('cpuid') : false
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cpuid = dependency('libcpuid', 'cpuid', required : cpuid_required)
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cpuid = dependency('libcpuid', 'cpuid', required : cpuid_required, include_type : 'system')
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configdata += {
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'HAVE_LIBCPUID': cpuid.found().to_int(),
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}
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# seccomp only makes sense on Linux
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seccomp_required = is_linux ? get_option('seccomp-sandboxing') : false
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seccomp = dependency('libseccomp', 'seccomp', required : seccomp_required, version : '>=2.5.5')
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seccomp = dependency('libseccomp', 'seccomp', required : seccomp_required, version : '>=2.5.5', include_type : 'system')
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if is_linux and not seccomp.found()
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warning('Sandbox security is reduced because libseccomp has not been found! Please provide libseccomp if it supports your CPU architecture.')
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endif
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@ -227,19 +227,24 @@ configdata += {
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'HAVE_SECCOMP': seccomp.found().to_int(),
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}
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libarchive = dependency('libarchive', required : true)
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libarchive = dependency('libarchive', required : true, include_type : 'system')
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brotli = [
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dependency('libbrotlicommon', required : true),
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dependency('libbrotlidec', required : true),
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dependency('libbrotlienc', required : true),
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dependency('libbrotlicommon', required : true, include_type : 'system'),
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dependency('libbrotlidec', required : true, include_type : 'system'),
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dependency('libbrotlienc', required : true, include_type : 'system'),
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]
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openssl = dependency('libcrypto', 'openssl', required : true)
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openssl = dependency('libcrypto', 'openssl', required : true, include_type : 'system')
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# FIXME: confirm we actually support such old versions of aws-sdk-cpp
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aws_sdk = dependency('aws-cpp-sdk-core', required : false, version : '>=1.8')
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aws_sdk_transfer = dependency('aws-cpp-sdk-transfer', required : aws_sdk.found(), fallback : ['aws_sdk', 'aws_cpp_sdk_transfer_dep'])
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aws_sdk = dependency('aws-cpp-sdk-core', required : false, version : '>=1.8', include_type : 'system')
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aws_sdk_transfer = dependency(
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'aws-cpp-sdk-transfer',
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required : aws_sdk.found(),
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fallback : ['aws_sdk', 'aws_cpp_sdk_transfer_dep'],
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include_type : 'system',
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)
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if aws_sdk.found()
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# The AWS pkg-config adds -std=c++11.
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# https://github.com/aws/aws-sdk-cpp/issues/2673
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@ -259,7 +264,12 @@ if aws_sdk.found()
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)
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endif
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aws_s3 = dependency('aws-cpp-sdk-s3', required : aws_sdk.found(), fallback : ['aws_sdk', 'aws_cpp_sdk_s3_dep'])
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aws_s3 = dependency(
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'aws-cpp-sdk-s3',
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required : aws_sdk.found(),
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fallback : ['aws_sdk', 'aws_cpp_sdk_s3_dep'],
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include_type : 'system',
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)
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if aws_s3.found()
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# The AWS pkg-config adds -std=c++11.
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# https://github.com/aws/aws-sdk-cpp/issues/2673
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@ -276,30 +286,30 @@ configdata += {
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'ENABLE_S3': aws_s3.found().to_int(),
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}
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sqlite = dependency('sqlite3', 'sqlite', version : '>=3.6.19', required : true)
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sqlite = dependency('sqlite3', 'sqlite', version : '>=3.6.19', required : true, include_type : 'system')
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sodium = dependency('libsodium', 'sodium', required : true)
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sodium = dependency('libsodium', 'sodium', required : true, include_type : 'system')
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curl = dependency('libcurl', 'curl', required : true)
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curl = dependency('libcurl', 'curl', required : true, include_type : 'system')
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editline = dependency('libeditline', 'editline', version : '>=1.14', required : true)
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editline = dependency('libeditline', 'editline', version : '>=1.14', required : true, include_type : 'system')
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lowdown = dependency('lowdown', version : '>=0.9.0', required : true)
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lowdown = dependency('lowdown', version : '>=0.9.0', required : true, include_type : 'system')
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# HACK(Qyriad): rapidcheck's pkg-config doesn't include the libs lol
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# Note: technically we 'check' for rapidcheck twice, for the internal-api-docs handling above,
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# but Meson will cache the result of the first one, and the required : arguments are different.
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rapidcheck_meson = dependency('rapidcheck', required : enable_tests)
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rapidcheck_meson = dependency('rapidcheck', required : enable_tests, include_type : 'system')
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rapidcheck = declare_dependency(dependencies : rapidcheck_meson, link_args : ['-lrapidcheck'])
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gtest = [
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dependency('gtest', required : enable_tests),
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dependency('gtest_main', required : enable_tests),
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dependency('gmock', required : enable_tests),
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dependency('gmock_main', required : enable_tests),
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dependency('gtest', required : enable_tests, include_type : 'system'),
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dependency('gtest_main', required : enable_tests, include_type : 'system'),
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dependency('gmock', required : enable_tests, include_type : 'system'),
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dependency('gmock_main', required : enable_tests, include_type : 'system'),
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]
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toml11 = dependency('toml11', version : '>=3.7.0', required : true, method : 'cmake')
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toml11 = dependency('toml11', version : '>=3.7.0', required : true, method : 'cmake', include_type : 'system')
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pegtl = dependency(
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'pegtl',
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@ -307,9 +317,10 @@ pegtl = dependency(
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required : true,
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method : 'cmake',
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modules : [ 'taocpp::pegtl' ],
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include_type : 'system',
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)
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nlohmann_json = dependency('nlohmann_json', required : true)
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nlohmann_json = dependency('nlohmann_json', required : true, include_type : 'system')
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# lix-doc is a Rust project provided via buildInputs and unfortunately doesn't have any way to be detected.
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# Just declare it manually to resolve this.
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@ -1,84 +0,0 @@
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AC_INIT(nix-perl, m4_esyscmd([bash -c "echo -n $(cat ../.version)$VERSION_SUFFIX"]))
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AC_CONFIG_SRCDIR(MANIFEST)
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AC_CONFIG_AUX_DIR(../config)
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CFLAGS=
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CXXFLAGS=
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AC_PROG_CC
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AC_PROG_CXX
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AC_CANONICAL_HOST
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# Use 64-bit file system calls so that we can support files > 2 GiB.
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AC_SYS_LARGEFILE
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AC_DEFUN([NEED_PROG],
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[
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AC_PATH_PROG($1, $2)
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if test -z "$$1"; then
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AC_MSG_ERROR([$2 is required])
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fi
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])
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NEED_PROG(perl, perl)
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NEED_PROG(curl, curl)
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NEED_PROG(bzip2, bzip2)
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NEED_PROG(xz, xz)
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# Test that Perl has the open/fork feature (Perl 5.8.0 and beyond).
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AC_MSG_CHECKING([whether Perl is recent enough])
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if ! $perl -e 'open(FOO, "-|", "true"); while (<FOO>) { print; }; close FOO or die;'; then
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AC_MSG_RESULT(no)
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AC_MSG_ERROR([Your Perl version is too old. Lix requires Perl 5.8.0 or newer.])
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fi
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AC_MSG_RESULT(yes)
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# Figure out where to install Perl modules.
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AC_MSG_CHECKING([for the Perl installation prefix])
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perlversion=$($perl -e 'use Config; print $Config{version};')
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perlarchname=$($perl -e 'use Config; print $Config{archname};')
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AC_SUBST(perllibdir, [${libdir}/perl5/site_perl/$perlversion/$perlarchname])
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AC_MSG_RESULT($perllibdir)
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# Look for libsodium.
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PKG_CHECK_MODULES([SODIUM], [libsodium], [CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"])
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# Check for the required Perl dependencies (DBI and DBD::SQLite).
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perlFlags="-I$perllibdir"
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AC_ARG_WITH(dbi, AC_HELP_STRING([--with-dbi=PATH],
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[prefix of the Perl DBI library]),
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perlFlags="$perlFlags -I$withval")
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AC_ARG_WITH(dbd-sqlite, AC_HELP_STRING([--with-dbd-sqlite=PATH],
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[prefix of the Perl DBD::SQLite library]),
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perlFlags="$perlFlags -I$withval")
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AC_MSG_CHECKING([whether DBD::SQLite works])
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if ! $perl $perlFlags -e 'use DBI; use DBD::SQLite;' 2>&5; then
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AC_MSG_RESULT(no)
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AC_MSG_FAILURE([The Perl modules DBI and/or DBD::SQLite are missing.])
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fi
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AC_MSG_RESULT(yes)
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AC_SUBST(perlFlags)
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PKG_CHECK_MODULES([NIX], [nix-store])
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NEED_PROG([NIX], [nix])
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# Expand all variables in config.status.
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test "$prefix" = NONE && prefix=$ac_default_prefix
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test "$exec_prefix" = NONE && exec_prefix='${prefix}'
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for name in $ac_subst_vars; do
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declare $name="$(eval echo "${!name}")"
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declare $name="$(eval echo "${!name}")"
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declare $name="$(eval echo "${!name}")"
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done
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rm -f Makefile.config
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ln -sfn ../mk mk
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AC_CONFIG_FILES([])
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AC_OUTPUT
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@ -56,12 +56,27 @@ void DarwinLocalStore::findPlatformRoots(UncheckedRoots & unchecked)
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while (fdBufSize > fds.size() * sizeof(struct proc_fdinfo)) {
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// Reserve some extra size so we don't fail too much
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fds.resize((fdBufSize + fdBufSize / 8) / sizeof(struct proc_fdinfo));
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errno = 0;
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fdBufSize = proc_pidinfo(
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pid, PROC_PIDLISTFDS, 0, fds.data(), fds.size() * sizeof(struct proc_fdinfo)
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);
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// errno == 0???! Yes, seriously. This is because macOS has a
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// broken syscall wrapper for proc_pidinfo that has no way of
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// dealing with the system call successfully returning 0. It
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// takes the -1 error result from the errno-setting syscall
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// wrapper and turns it into a 0 result. But what if the system
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// call actually returns 0? Then you get an errno of success.
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//
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// https://github.com/apple-opensource/xnu/blob/4f43d4276fc6a87f2461a3ab18287e4a2e5a1cc0/libsyscall/wrappers/libproc/libproc.c#L100-L110
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// https://git.lix.systems/lix-project/lix/issues/446#issuecomment-5483
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// FB14695751
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if (fdBufSize <= 0) {
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throw SysError("Listing pid %1% file descriptors", pid);
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if (errno == 0) {
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break;
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} else {
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throw SysError("Listing pid %1% file descriptors", pid);
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}
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}
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}
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fds.resize(fdBufSize / sizeof(struct proc_fdinfo));
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