use prebuid pcre.

.travis.yml

@@ -140,8 +140,8 @@ script:
   #- if [ -n "$OPENSSL_VER" ]; then tar zxf download-cache/openssl-$OPENSSL_VER.tar.gz; cd openssl-$OPENSSL_VER/; patch -p1 < ../../openresty/patches/openssl-$OPENSSL_PATCH_VER-sess_set_get_cb_yield.patch; ./config shared enable-ssl3 enable-ssl3-method -g --prefix=$OPENSSL_PREFIX --libdir=lib -DPURIFY > build.log 2>&1 || (cat build.log && exit 1); make -j$JOBS > build.log 2>&1 || (cat build.log && exit 1); sudo make PATH=$PATH install_sw > build.log 2>&1 || (cat build.log && exit 1); cd ..; fi
   - if [ -n "$BORINGSSL" ]; then sudo mkdir -p /opt/ssl && sudo tar -C /opt/ssl -xf boringssl-20230902-x64-focal.tar.gz --strip-components=1; fi
   - if [ -n "$OPENSSL_VER" ]; then sudo mkdir -p /opt/ssl && sudo tar -C /opt/ssl -xf openssl-$OPENSSL_VER-x64-focal.tar.gz --strip-components=2; fi
-  - if [ -n "$PCRE_VER" ]; then sudo mkdir -p /opt/pcre && sudo tar -C /opt/pcre -xf pcre-$PCRE_VER-x64-focal.tar.gz --strip-components=2; fi
-  - if [ -n "$PCRE2_VER" ]; then sudo mkdir -p /opt/pcre2 && sudo tar -C /opt/pcre -xf pcre-$PCRE2_VER-x64-focal.tar.gz --strip-components=2; fi
+  - if [ -n "$PCRE_VER" ]; then sudo mkdir -p $PCRE_PREFIX && sudo tar -C $PCRE_PREFIX -xf pcre-$PCRE_VER-x64-focal.tar.gz --strip-components=2; fi
+  - if [ -n "$PCRE2_VER" ]; then sudo mkdir -p $PCRE2_PREFIX && sudo tar -C $PCRE2_PREFIX -xf pcre2-$PCRE2_VER-x64-focal.tar.gz --strip-components=2; fi
   - export NGX_BUILD_CC=$CC
   - sh util/build-without-ssl.sh $NGINX_VERSION > build.log 2>&1 || (cat build.log && exit 1)
   - sh util/build-with-dd.sh $NGINX_VERSION > build.log 2>&1 || (cat build.log && exit 1)