Fix double-installed doc (jqlang#2482)

The README symlink was causing the file to be installed twice in
<DOCDIR>.

.github/workflows/ci.yml

@@ -0,0 +1,114 @@
+name: CI
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+jobs:
+  linux:
+    runs-on: ubuntu-22.04
+    strategy:
+      fail-fast: false
+      matrix:
+        name: [linux-amd64-clang, linux-amd64-gcc]
+        include:
+          - name: linux-amd64-clang
+            compiler: clang
+          - name: linux-amd64-gcc
+            compiler: gcc
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install packages
+        run: |
+          sudo apt-get update -qq
+          sudo apt-get install -y \
+            automake \
+            autoconf \
+            bison \
+            flex \
+            gdb \
+            python3 \
+            valgrind
+      - name: Build
+        env:
+          CC: ${{ matrix.compiler }}
+        run: |
+          autoreconf -fi
+          rm src/lexer.c src/lexer.h
+          rm src/parser.c src/parser.h
+          ./configure --disable-valgrind --with-oniguruma=builtin YACC="$(which bison) -y" $COVERAGE
+          make -j4
+          make dist
+      - name: Test
+        env:
+          CC: ${{ matrix.compiler }}
+        run: |
+          ulimit -c unlimited
+          make -j4 check
+      - name: Show Test Logs
+        if: ${{ failure() }}
+        run: |
+          cat test-suite.log
+          cat tests/*.log
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: jq-${{ matrix.name }}
+          path: |
+            jq
+  macos:
+    runs-on: macos-13
+    strategy:
+      fail-fast: false
+      matrix:
+        arch: [x86_64, arm64]
+        include:
+          - arch: x86_64
+            suffix: amd64
+          - arch: arm64
+            suffix: arm64
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install packages
+        run: |
+          brew update
+          brew install \
+            autoconf \
+            automake \
+            libtool \
+            flex \
+            bison
+          sed -i.bak '/^AM_INIT_AUTOMAKE(\[-Wno-portability 1\.14\])$/s/14/11/' modules/oniguruma/configure.ac
+      - name: Build
+        env:
+          CC: clang -arch ${{ matrix.arch }}
+        run: |
+          autoreconf -fi
+          rm src/lexer.c src/lexer.h
+          rm src/parser.c src/parser.h
+          ./configure --disable-valgrind --with-oniguruma=builtin --host=${{ matrix.arch }}-apple-darwin$(uname -r) YACC="$(brew --prefix)/opt/bison/bin/bison -y" $COVERAGE
+          make -j4
+          make dist
+      - name: Test
+        env:
+          CC: clang -arch ${{ matrix.arch }}
+        run: |
+          ulimit -c unlimited
+          make -j4 check
+      - name: Show Test Logs
+        if: ${{ failure() }}
+        run: |
+          cat test-suite.log
+          cat tests/*.log
+      - name: Upload Artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: jq-macos-${{ matrix.suffix }}
+          path: |
+            jq

Makefile.am

@@ -217,7 +217,7 @@ EXTRA_DIST = $(DOC_FILES) $(man_MANS) $(TESTS) $(TEST_LOG_COMPILER)     \
 
 # README.md is expected in GitHub projects, good stuff in it, so we'll
 # distribute it and install it with the package in the doc directory.
-dist_doc_DATA = README.md COPYING AUTHORS README
+dist_doc_DATA = README.md COPYING AUTHORS
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libjq.pc