2021-01-21 17:00:13 +00:00
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{ lib, stdenv, fetchFromGitHub, autoconf, automake, libtool, pkg-config }:
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2018-05-11 16:00:48 +01:00
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stdenv.mkDerivation rec {
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2019-08-15 13:41:18 +01:00
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pname = "libb2";
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2019-03-23 10:57:47 +00:00
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version = "0.98.1";
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2015-08-23 18:00:31 +01:00
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2019-03-23 10:57:47 +00:00
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src = fetchFromGitHub {
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owner = "BLAKE2";
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repo = "libb2";
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rev = "v${version}";
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sha256 = "0qj8aaqvfcavj1vj5asm4pqm03ap7q8x4c2fy83cqggvky0frgya";
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libbb2: Use "--enable-fat=yes" to avoid build nondeterminism
Otherwise it would pick various -march flags based on the CPU of the
compiling system, using beautiful code like this:
````
63 AC_CACHE_CHECK(for x86 cpuid $1 output, ax_cv_gcc_x86_cpuid_$1,
64 [AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>], [
65 int op = $1, eax, ebx, ecx, edx;
66 FILE *f;
67 __asm__("cpuid"
68 : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
69 : "a" (op));
70 f = fopen("conftest_cpuid", "w"); if (!f) return 1;
71 fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
72 fclose(f);
73 return 0;
74 ])],
...
121 AC_CACHE_CHECK([whether avx is supported], [ax_cv_have_avx_ext],
122 [
123 ax_cv_have_avx_ext=no
124 if test "$((0x$ecx>>28&0x01))" = 1; then
125 ax_cv_have_avx_ext=yes
126 fi
127 ])
````
2016-08-30 20:34:40 +01:00
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};
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2018-05-11 16:00:48 +01:00
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preConfigure = ''
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patchShebangs autogen.sh
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./autogen.sh
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'';
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2021-01-21 17:00:13 +00:00
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configureFlags = lib.optional stdenv.hostPlatform.isx86 "--enable-fat=yes";
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libbb2: Use "--enable-fat=yes" to avoid build nondeterminism
Otherwise it would pick various -march flags based on the CPU of the
compiling system, using beautiful code like this:
````
63 AC_CACHE_CHECK(for x86 cpuid $1 output, ax_cv_gcc_x86_cpuid_$1,
64 [AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>], [
65 int op = $1, eax, ebx, ecx, edx;
66 FILE *f;
67 __asm__("cpuid"
68 : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
69 : "a" (op));
70 f = fopen("conftest_cpuid", "w"); if (!f) return 1;
71 fprintf(f, "%x:%x:%x:%x\n", eax, ebx, ecx, edx);
72 fclose(f);
73 return 0;
74 ])],
...
121 AC_CACHE_CHECK([whether avx is supported], [ax_cv_have_avx_ext],
122 [
123 ax_cv_have_avx_ext=no
124 if test "$((0x$ecx>>28&0x01))" = 1; then
125 ax_cv_have_avx_ext=yes
126 fi
127 ])
````
2016-08-30 20:34:40 +01:00
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2019-03-23 10:57:47 +00:00
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nativeBuildInputs = [ autoconf automake libtool pkg-config ];
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2018-05-11 16:00:48 +01:00
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doCheck = true;
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2021-01-21 17:00:13 +00:00
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meta = with lib; {
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2015-08-23 18:00:31 +01:00
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description = "The BLAKE2 family of cryptographic hash functions";
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2020-04-01 02:11:51 +01:00
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homepage = "https://blake2.net/";
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2015-08-23 18:00:31 +01:00
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platforms = platforms.all;
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2019-03-23 10:57:47 +00:00
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maintainers = with maintainers; [ dfoxfranke dotlambda ];
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2015-08-23 18:00:31 +01:00
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license = licenses.cc0;
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};
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}
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