Install libltdl-dev explicitly, needed for bootstrap of autotools.

.github/workflows/codecov.yml

@@ -57,7 +57,7 @@ jobs:
 
     - name: Install packages
       run: |
-        packages="lcov"
+        packages="lcov libltdl-dev"
         if [ "$CC" = clang ]; then
           # need 'llvm' for llvm-cov, as well as clang
           packages="$packages clang llvm"

.github/workflows/codeql.yml

@@ -37,6 +37,9 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
+    - name: Install packages
+      run: sudo apt-get install libltdl-dev
+
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
       with:

.github/workflows/config-matrix.yml

@@ -79,6 +79,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Install packages
+      run: sudo apt-get install libltdl-dev
       if: ${{ matrix.compiler == 'clang' }}
       run: sudo apt-get install clang
 

.github/workflows/coverity.yml

@@ -59,6 +59,9 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
+    - name: Install packages
+      run: sudo apt-get install libltdl-dev
+
     - name: Download Coverity Build Tool
       env:
         CVT_TOKEN: ${{ secrets.COVERITY_SCAN_TOKEN }}

.github/workflows/distcheck.yml

@@ -39,6 +39,9 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v4
 
+    - name: Install packages
+      run: sudo apt-get install libltdl-dev
+
       # The distcheck build is run with the oldest version of perl we support,
       # in order to verify that we still support it.
     - name: Install Perl 5.14

.github/workflows/memcheck.yml

@@ -41,7 +41,7 @@ jobs:
       uses: actions/checkout@v4
 
     - name: Install packages
-      run: sudo apt-get install clang valgrind
+      run: sudo apt-get install clang libltdl-dev valgrind
 
     - name: Versions of build tools
       id: build-tools