Revert "Add llvm-lto-elf-check script" to avoid a dependency on Python

This reverts commit ac2ca1dbba.

brp-llvm-compile-lto-elf

@@ -1,10 +1,5 @@
 #!/usr/bin/bash -eu
 
-# first argument is the path to llvm-lto-elf-check
-MATCH_LTO_SCRIPT=$1
-shift
-
-# remaining args are cflags
 CLANG_FLAGS=$@
 
 if [ -z "$RPM_BUILD_ROOT" ] || [ "$RPM_BUILD_ROOT" = "/" ]; then
@@ -20,7 +15,7 @@ check_convert_bitcode () {
   if [[ "${file_type}" == *"LLVM IR bitcode"*  ]]; then
     # check for an indication that the bitcode was
     # compiled with -flto
-    llvm-bcanalyzer -dump ${file_name} | ${MATCH_LTO_SCRIPT} 2>&1 > /dev/null
+    llvm-bcanalyzer -dump ${file_name} | grep -xP '.*\-flto((?!-fno-lto).)*' 2>&1 > /dev/null
     if [ $? -eq 0 ]; then
       echo "Compiling LLVM bitcode file ${file_name}."
       # create path to file in temp dir

llvm-lto-elf-check

@@ -1,39 +0,0 @@
-#!/usr/bin/python3
-
-# Check an llvm bcanalyzer dump for -flto
-
-# This script implements the following command in python
-# to avoid PCRE backtrace limits in grep.
-# grep -xP '.*\-flto((?!-fno-lto).)*' <input file>
-
-import re
-import sys
-
-def open_input_file():
-  if len(sys.argv) > 1:
-    f = open(sys.argv[1], "r")
-  else:
-    f = sys.stdin
-  if not f:
-    raise Exception("Could not open input file")
-  return f
-
-def match_lto(input_lines):
-  match_found = False
-  for line in input_lines:
-    match = re.match(r"^.*\-flto((?!-fno-lto).)*$", line)
-    if match:
-      match_found = True
-      print(f"{match.group(0)}")
-  return match_found
-
-def main():
-  input_file = open_input_file()
-  input_lines = input_file.readlines()
-  if input_file != sys.stdin:
-    input_file.close()
-  if match_lto(input_lines):
-    sys.exit(0)
-  sys.exit(1)
-
-main()

macros

@@ -234,8 +234,7 @@ print(result)
 # __brp_mangle_shebangs_exclude_from_file - file from which to get files to ignore
 %__brp_mangle_shebangs /usr/lib/rpm/redhat/brp-mangle-shebangs %{?__brp_mangle_shebangs_exclude:--shebangs "%{?__brp_mangle_shebangs_exclude}"} %{?__brp_mangle_shebangs_exclude_file:--shebangs-from "%{__brp_mangle_shebangs_exclude_file}"} %{?__brp_mangle_shebangs_exclude_from:--files "%{?__brp_mangle_shebangs_exclude_from}"} %{?__brp_mangle_shebangs_exclude_from_file:--files-from "%{__brp_mangle_shebangs_exclude_from_file}"}
 
-%__llvm_lto_elf_check /usr/lib/rpm/redhat/llvm-lto-elf-check
-%__brp_llvm_compile_lto_elf /usr/lib/rpm/redhat/brp-llvm-compile-lto-elf %{__llvm_lto_elf_check} %{build_cflags} %{build_ldflags}
+%__brp_llvm_compile_lto_elf /usr/lib/rpm/redhat/brp-llvm-compile-lto-elf %{build_cflags} %{build_ldflags}
 
 # note: %%__os_install_post_python is defined in python-srpm-macros and contains several policies
 # redhat-rpm-config maintainers, don't remove it from %%__os_install_post unless coordinating the change with Python maintainers

redhat-rpm-config.spec

@@ -6,7 +6,7 @@
 
 Summary: Red Hat specific rpm configuration files
 Name: redhat-rpm-config
-Version: 203
+Version: 204
 Release: 1%{?dist}
 # No version specified.
 License: GPL+
@@ -67,7 +67,6 @@ Source401: rpmsort
 Source402: symset-table
 Source403: kmodtool
 Source404: gpgverify
-Source405: llvm-lto-elf-check
 
 # 2016-10-02 snapshots from http://git.savannah.gnu.org/gitweb/?p=config.git
 Source500: config.guess
@@ -177,8 +176,6 @@ mkdir -p %{buildroot}%{_rpmluadir}/fedora/{rpm,srpm}
 install -p -m 644 -t %{buildroot}%{_rpmluadir}/fedora common.lua
 install -p -m 644 -t %{buildroot}%{_rpmluadir}/fedora/srpm forge.lua
 
-install -p -m 755 -t %{buildroot}%{rrcdir} llvm-lto-elf-check
-
 %files
 %dir %{rrcdir}
 %{rrcdir}/macros
@@ -192,7 +189,6 @@ install -p -m 755 -t %{buildroot}%{rrcdir} llvm-lto-elf-check
 %{rrcdir}/find-provides
 %{rrcdir}/find-requires
 %{rrcdir}/brp-ldconfig
-%{rrcdir}/llvm-lto-elf-check
 %{_fileattrsdir}/*.attr
 %{_rpmconfigdir}/macros.d/macros.*-srpm
 %{_rpmconfigdir}/macros.d/macros.build-constraints
@@ -221,6 +217,10 @@ install -p -m 755 -t %{buildroot}%{rrcdir} llvm-lto-elf-check
 %{_rpmconfigdir}/macros.d/macros.kmp
 
 %changelog
+* Tue Nov 16 2021 Miro Hrončok <mhroncok@redhat.com> - 204-1
+- Don't pull in Python to all buildroots
+- Remove llvm-lto-elf-check script
+
 * Tue Nov 09 2021 Michal Domonkos <mdomonko@redhat.com> - 203-1
 - Drop {fpc,gnat,nim}-srpm-macros dependencies on RHEL