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@frankspace @whoami Looking at the code of i2pd I've simplified the PKGBUILD with no checks, because the cmake assets of i2pd also check for the real existence of these instructions sets. So AVX and AES will be enabled by default and i2pd checks will do the real job. In this way should work seamlessly. Let me know

I have the same problem of simply getting a blunt "a failure occurred in build()" error. However, it works perfectly if I simply comment out the grep parts in build() donated by wrdcrrtmnstr. Additional data point: I have an old computer and according to /proc/cpuinfo, my processor supports neither AES-NI nor AVX. I suspect the grep commands only function properly if your processor does support those, not if your processor doesn't.

==> Extracting sources...
  -> Extracting 2.24.0.tar.gz with bsdtar
==> Starting build()...
==> ERROR: A failure occurred in build().
    Aborting...

Fails to build on armv6h with the last update:

==> Validating source files with md5sums... 2.24.0.tar.gz ... Passed ==> Extracting sources... -> Extracting 2.24.0.tar.gz with bsdtar ==> Starting build()... ==> ERROR: A failure occurred in build(). Aborting... ==> ERROR: Makepkg was unable to build i2pd. ==> Restart building i2pd ? [y/N] ==> ----------------------------- ==> ==> ERROR: unable to update

Can you add support for AES-NI and AVX detection at build time? I've added following changes to my PKGBUILD and they seem to work:

build() {
  cd $srcdir/$pkgname-$pkgver

  cd build

  BUILD_FLAGS='-DCMAKE_CXX_FLAGS="-w" -DCMAKE_INSTALL_PREFIX=/usr -DWITH_UPNP=ON -DWITH_PCH=OFF -DCMAKE_BUILD_TYPE=Release'

  grep -q -m1 -o aes /proc/cpuinfo
  if [ $? -eq 0 ]
  then
    BUILD_FLAGS="${BUILD_FLAGS} -DWITH_AESNI=ON"
  fi

  grep -q -m1 -o avx /proc/cpuinfo
  if [ $? -eq 0 ]
  then
    BUILD_FLAGS="${BUILD_FLAGS} -DWITH_AVX=ON"
  fi

  cmake . $BUILD_FLAGS
  make
}

Could you, please, add armv6h to the list of architectures? Builds fine on RPI 1.

Additional patches are needed to build this with GCC 8:

• [PATCH] fix federoa rawhide build with gcc 8
• [PATCH] fix build on GCC 8.0.1

or

• 21c35f770b26ebf00f94365769bab74753fa06d1
• 4af0caa50639c9c080034b2ea8239eb7e06f0ba3

An extra patch is needed to build i2pd v2.17.0 with boost v1.66.0:

https://github.com/PurpleI2P/i2pd/commit/0f2d2156e6b4c75568a8c87606b1196cabff1948.patch

Need to use openssl-1.0 because openssl v1.1 is causing memory issues (#835). I also PRed upstream to add the version check to cmake (PR #963). Please bump pkgrel version. Also, same change on i2pd-git. Patch:

diff --git a/PKGBUILD b/PKGBUILD
index 6cea608..8b75c4d 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -13,3 +13,3 @@ url="https://github.com/PurpleI2P/$pkgname"
license=('BSD')
-depends=('boost-libs' 'miniupnpc' 'openssl' 'zlib')
+depends=('boost-libs' 'miniupnpc' 'openssl-1.0' 'zlib')
makedepends=('boost' 'cmake')
@@ -27,2 +27,3 @@ build() {
-DWITH_UPNP=ON -DWITH_PCH=OFF \
+ -DOPENSSL_ROOT_DIR="/usr/include/openssl-1.0;/usr/lib/openssl-1.0" \
-DCMAKE_BUILD_TYPE=Release

Everything works out of the box now, thanks.