requires libtool 2.5.4

Author: wkliao

.github/workflows/mac_mpich.yml

@@ -38,6 +38,10 @@ jobs:
             # gcc --version
             # which gfortran
             brew install automake autoconf libtool m4
+            autoconf --version
+            automake --version
+            libtool --version
+            m4 --version
         - name: Build MPICH
           run: |
             cd ${GITHUB_WORKSPACE}

.github/workflows/mac_openmpi.yml

@@ -38,6 +38,10 @@ jobs:
             # gcc --version
             # which gfortran
             brew install automake autoconf libtool m4
+            autoconf --version
+            automake --version
+            libtool --version
+            m4 --version
         - name: Build OPENMPI
           run: |
             cd ${GITHUB_WORKSPACE}

.github/workflows/ubuntu_mpich.yml

@@ -31,6 +31,10 @@ jobs:
           run: |
             sudo apt-get update
             sudo apt-get install automake autoconf libtool libtool-bin m4
+            autoconf --version
+            automake --version
+            libtool --version
+            m4 --version
             # install gfortran
             version=12
             sudo add-apt-repository ppa:ubuntu-toolchain-r/test

.github/workflows/ubuntu_openmpi.yml

@@ -31,6 +31,10 @@ jobs:
           run: |
             sudo apt-get update
             sudo apt-get install automake autoconf libtool libtool-bin m4
+            autoconf --version
+            automake --version
+            libtool --version
+            m4 --version
             # install gfortran
             version=12
             sudo add-apt-repository ppa:ubuntu-toolchain-r/test

configure.ac

@@ -453,7 +453,7 @@ dnl AC_PROG_RANLIB
 
 dnl libtool v2.4.6 was released in 2015-02-15
 dnl Travis CI only has v2.4.2
-LT_PREREQ([2.4.6])
+LT_PREREQ([2.5.4])
 dnl LT_INIT([dlopen disable-shared])
 dnl LT_INIT([dlopen])
 dnl LT_INIT([disable-shared])  # build without shared libraries