HTTP3.md: avoid `configure` issue for ngtcp2 1.14.0+ compatibility

Applied the same workaround to the build examples as used earlier in CI.
That is, drop `<path> from `--with-ngtcp2=<path>` and configure env
`PKG_CONFIG_PATH` instead.

Till the root cause is fixed.

Ref: 99500660af19f89069e71c2251c13963401b3806 #18028

Reported-by: Pavel Kropachev
Fixes #18188
Closes #18415

diff --git a/docs/HTTP3.md b/docs/HTTP3.md
index 95901196f42a761da61a2115e70c3c7d0b29c611..2047d4ad2e771b457db80b78078f1dd85cabc089 100644 (file)
--- a/docs/HTTP3.md
+++ b/docs/HTTP3.md
@@ -87,7 +87,7 @@ Build curl:
      % git clone https://github.com/curl/curl
      % cd curl
      % autoreconf -fi
-     % LDFLAGS="-Wl,-rpath,<somewhere1>/lib" ./configure --with-openssl=<somewhere1> --with-nghttp3=<somewhere2> --with-ngtcp2=<somewhere3>
+     % LDFLAGS="-Wl,-rpath,<somewhere1>/lib" ./configure PKG_CONFIG_PATH=<ngtcp2-root>/lib/pkgconfig --with-openssl=<somewhere1> --with-nghttp3=<somewhere2> --with-ngtcp2
      % make
      % make install
 
@@ -131,7 +131,7 @@ Build curl:
      % git clone https://github.com/curl/curl
      % cd curl
      % autoreconf -fi
-     % LDFLAGS="-Wl,-rpath,<somewhere1>/lib" ./configure --with-openssl=<somewhere1> --with-nghttp3=<somewhere2> --with-ngtcp2=<somewhere3>
+     % LDFLAGS="-Wl,-rpath,<somewhere1>/lib" ./configure PKG_CONFIG_PATH=<ngtcp2-root>/lib/pkgconfig --with-openssl=<somewhere1> --with-nghttp3=<somewhere2> --with-ngtcp2
      % make
      % make install
 
@@ -173,7 +173,7 @@ Build curl:
      % git clone https://github.com/curl/curl
      % cd curl
      % autoreconf -fi
-     % ./configure --with-gnutls=<somewhere1> --with-nghttp3=<somewhere2> --with-ngtcp2=<somewhere3>
+     % ./configure PKG_CONFIG_PATH=<ngtcp2-root>/lib/pkgconfig --with-gnutls=<somewhere1> --with-nghttp3=<somewhere2> --with-ngtcp2
      % make
      % make install
 
@@ -215,7 +215,7 @@ Build curl:
      % git clone https://github.com/curl/curl
      % cd curl
      % autoreconf -fi
-     % ./configure --with-wolfssl=<somewhere1> --with-nghttp3=<somewhere2> --with-ngtcp2=<somewhere3>
+     % ./configure PKG_CONFIG_PATH=<ngtcp2-root>/lib/pkgconfig --with-wolfssl=<somewhere1> --with-nghttp3=<somewhere2> --with-ngtcp2
      % make
      % make install