gh-39562: Meson: Remove unused build dependencies ppl and fplll
    
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Remove ppl and fplll as (build) dependencies according to
#39548 (comment)
since they are only used via their python wrappers.

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### ⌛ Dependencies

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URL: #39562
Reported by: Tobias Diez
Reviewer(s): Gonzalo Tornaría, Michael Orlitzky

Author: Release Manager

pyproject.toml

@@ -113,7 +113,6 @@ host-requires = [
   "pkg:generic/eclib",
   "pkg:generic/ecm",
   "pkg:generic/fflas-ffpack",
-  "pkg:generic/fplll",
   "pkg:generic/flint",
   "pkg:generic/libgd",
   "pkg:generic/gap",
@@ -143,7 +142,6 @@ host-requires = [
   "pkg:generic/pari-galdata",
   "pkg:generic/pari-seadata",
   "pkg:generic/planarity",
-  "pkg:generic/ppl",
   "pkg:generic/primesieve",
   "pkg:generic/primecount",
   "pkg:generic/qhull",
@@ -154,10 +152,10 @@ host-requires = [
 ]
 
 dependencies = [
-  "pkg:generic/tachyon",
   "pkg:generic/sagemath-polytopes-db",
   "pkg:generic/sagemath-elliptic-curves",
   "pkg:generic/sagemath-graphs",
+  "pkg:generic/tachyon",
 ]
 
 [dependency-groups]

src/meson.build

@@ -101,11 +101,8 @@ zlib = dependency('zlib', version: '>=1.2.11')
 ec = dependency('eclib', version: '>=20231211')
 # Cannot be found via pkg-config
 ecm = cc.find_library('ecm')
-# Cannot be found via pkg-config
-ppl = cc.find_library('ppl')
 gmpxx = dependency('gmpxx')
 fflas = dependency('fflas-ffpack', version: '>=2.5.0')
-fplll = dependency('fplll')
 givaro = dependency('givaro', version: '>=4.2.0')
 linbox = dependency('linbox', required: false, version: '>=1.7.0')
 if not linbox.found()

src/sage/libs/linbox/meson.build

@@ -20,7 +20,7 @@ foreach name, pyx : extension_data_cpp
     install: true,
     override_options: ['cython_language=cpp'],
     include_directories: [inc_flint],
-    dependencies: [py_dep, blas, flint, fplll, givaro, gmp, gmpxx, linbox],
+    dependencies: [py_dep, blas, flint, givaro, gmp, gmpxx, linbox],
   )
 endforeach