#!/bin/bash
# Check if any 2.72-specific features are mentioned in configure.ac
# and verify documentation of build requirements

echo "=== Checking for autoconf 2.72 feature usage ==="
rg -n "2\.72|autoconf.*2\.7[2-9]" configure.ac || echo "No matches found"

echo -e "\n=== Checking build requirement documentation ==="
fd -t f "README|INSTALL|BUILDING|CONTRIBUTING" -x cat {} 2>/dev/null || echo "No matching files found"

echo -e "\n=== Checking if NEWS mentions autoconf requirement ==="
fd -t f "NEWS|CHANGELOG" -x cat {} 2>/dev/null || echo "No matching files found"

echo -e "\n=== Listing all files in root directory ==="
ls -la | head -30

echo -e "\n=== Checking entire configure.ac content ==="
cat configure.ac

#!/bin/bash

# Check the full configure.ac file, particularly around the AC_PREREQ line
echo "=== Full configure.ac file ==="
cat configure.ac | head -50

echo -e "\n=== Looking for any autoconf-specific comments or version-dependent code ==="
grep -n "2\.7[0-9]\|PREREQ\|autoconf\|version" configure.ac | head -20

# Check git history for this change if available
echo -e "\n=== Git log for configure.ac (last 5 commits) ==="
git log --oneline -n 5 -- configure.ac 2>/dev/null || echo "Git history not available"

echo -e "\n=== Git diff for recent configure.ac changes ==="
git log -p -n 2 -- configure.ac 2>/dev/null | head -100 || echo "Git diff not available"

# Check autoconf NEWS/CHANGELOG for differences between 2.71 and 2.72
echo -e "\n=== Searching web for autoconf 2.71 vs 2.72 differences ==="
# This will help understand what changed in autoconf 2.72

#!/bin/bash

# Check the context around line 811 in configure.ac
echo "=== Context around line 811 (automake-2.71 bug comment) ==="
sed -n '805,825p' configure.ac

echo -e "\n=== Checking if AC_PREREQ was recently changed from 2.71 ==="
git log -p --follow -- configure.ac 2>/dev/null | grep -A 5 -B 5 "AC_PREREQ" | head -40

echo -e "\n=== Checking commit that bumped version to 4.1.0 ==="
git show 6727383 --stat 2>/dev/null | head -20

echo -e "\n=== Full details of the version bump commit ==="
git show 6727383 2>/dev/null | head -100

#!/bin/bash

# Search entire git history for AC_PREREQ changes
echo "=== Full git history of AC_PREREQ line ==="
git log -p -- configure.ac 2>/dev/null | grep -A 3 -B 3 "AC_PREREQ" | head -60

echo -e "\n=== Checking if 2.72 was in initial commit ==="
git log --all --oneline -- configure.ac 2>/dev/null | tail -5

echo -e "\n=== Checking current git branch ==="
git branch 2>/dev/null

echo -e "\n=== Check if configure.ac has AC_PREREQ in previous version tags ==="
git tag --list | grep -E "4\.[0-9]|3\.[0-9]" 2>/dev/null | sort -V | tail -5

# Check autoconf documentation for what changed in 2.72
echo -e "\n=== Checking if autoconf 2.72 introduced any breaking changes ==="
# Look for any 2.72-specific syntax used
grep -n "m4_esyscmd\|AS_VAR\|AS_FUNC\|AC_LANG_PROGRAM" configure.ac | head -10