diff -up src/sage/env.py.orig src/sage/env.py --- src/sage/env.py.orig 2021-05-29 21:01:26.503474025 -0600 +++ src/sage/env.py 2021-05-29 21:03:06.389635554 -0600 @@ -166,16 +166,16 @@ SAGE_DATE = var("SAGE_DATE", version.dat SAGE_VERSION_BANNER = var("SAGE_VERSION_BANNER", version.banner) # virtual environment where sagelib is installed -SAGE_VENV = var("SAGE_VENV", os.path.abspath(sys.prefix)) +SAGE_VENV = var("SAGE_VENV", "@@SAGE_LOCAL@@") SAGE_LIB = var("SAGE_LIB", os.path.dirname(os.path.dirname(sage.__file__))) -SAGE_EXTCODE = var("SAGE_EXTCODE", join(SAGE_LIB, "sage", "ext_data")) +SAGE_EXTCODE = var("SAGE_EXTCODE", join("/usr", "share", "sagemath", "etc")) # prefix hierarchy where non-Python packages are installed SAGE_LOCAL = var("SAGE_LOCAL", SAGE_VENV) -SAGE_ETC = var("SAGE_ETC", join(SAGE_LOCAL, "etc")) -SAGE_INC = var("SAGE_INC", join(SAGE_LOCAL, "include")) -SAGE_SHARE = var("SAGE_SHARE", join(SAGE_LOCAL, "share")) -SAGE_DOC = var("SAGE_DOC", join(SAGE_SHARE, "doc", "sage")) +SAGE_ETC = var("SAGE_ETC", join("/usr", "share", "sagemath", "etc")) +SAGE_INC = var("SAGE_INC", join("/usr", "include")) +SAGE_SHARE = var("SAGE_SHARE", join("/usr", "share", "sagemath")) +SAGE_DOC = var("SAGE_DOC", join("/usr", "share", "doc", "sagemath")) SAGE_SPKG_INST = var("SAGE_SPKG_INST", join(SAGE_LOCAL, "var", "lib", "sage", "installed")) # source tree of the Sage distribution @@ -199,12 +199,12 @@ THEBE_DIR = var("THEBE_DIR", join(SAGE_S COMBINATORIAL_DESIGN_DATA_DIR = var("COMBINATORIAL_DESIGN_DATA_DIR", join(SAGE_SHARE, "combinatorial_designs")) CREMONA_MINI_DATA_DIR = var("CREMONA_MINI_DATA_DIR", join(SAGE_SHARE, "cremona")) CREMONA_LARGE_DATA_DIR = var("CREMONA_LARGE_DATA_DIR", join(SAGE_SHARE, "cremona")) -JMOL_DIR = var("JMOL_DIR", join(SAGE_SHARE, "jmol")) -MATHJAX_DIR = var("MATHJAX_DIR", join(SAGE_SHARE, "mathjax")) -MTXLIB = var("MTXLIB", join(SAGE_SHARE, "meataxe")) +JMOL_DIR = var("JMOL_DIR", join("/usr", "share", "java", "jmol")) +MATHJAX_DIR = var("MATHJAX_DIR", join("/usr", "share", "javascript", "mathjax")) +MTXLIB = var("MTXLIB", join(DOT_SAGE, "meataxe")) THREEJS_DIR = var("THREEJS_DIR", join(SAGE_SHARE, "threejs")) SINGULARPATH = var("SINGULARPATH", join(SAGE_SHARE, "singular")) -PPLPY_DOCS = var("PPLPY_DOCS", join(SAGE_SHARE, "doc", "pplpy")) +PPLPY_DOCS = var("PPLPY_DOCS", join("/usr", "share", "doc", "python3-pplpy")) MAXIMA = var("MAXIMA", "maxima") MAXIMA_FAS = var("MAXIMA_FAS") SAGE_NAUTY_BINS_PREFIX = var("SAGE_NAUTY_BINS_PREFIX", "") @@ -301,10 +301,10 @@ def _get_shared_lib_path(*libnames: str) # locate singular shared object # On Debian it's libsingular-Singular so try that as well -SINGULAR_SO = var("SINGULAR_SO", _get_shared_lib_path("Singular", "singular-Singular")) +SINGULAR_SO = var("SINGULAR_SO", "@@LIBDIR@@/libSingular.so") # locate libgap shared object -GAP_SO = var("GAP_SO", _get_shared_lib_path("gap", "")) +GAP_SO = var("GAP_SO", "@@LIBDIR@@/libgap.so") # post process if ' ' in DOT_SAGE: