diff options
Diffstat (limited to 'Build/source/texk/kpathsea/cnf-to-paths.awk')
| -rw-r--r-- | Build/source/texk/kpathsea/cnf-to-paths.awk | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/Build/source/texk/kpathsea/cnf-to-paths.awk b/Build/source/texk/kpathsea/cnf-to-paths.awk index 755a5c30d14..faae308cb4a 100644 --- a/Build/source/texk/kpathsea/cnf-to-paths.awk +++ b/Build/source/texk/kpathsea/cnf-to-paths.awk @@ -10,20 +10,25 @@ # (whitespace around the = is optional) # /^[ \t]*[A-Z0-9_]+[ \t]*=/ { - # On these lines, there are two cases: + # On these lines, we distinguish three cases: # # 1) definitions referring to SELFAUTO*, which we want to keep. In # particular, this is how the compile-time TEXMFCNF gets defined and # thus how texmf.cnf gets found. # - # 2) all the others, which we want to convert to a constant - # /nonesuch. That way, the binaries don't get change just because we - # change definitions in texmf.cnf. + # 2) definitions starting with a /, which we also want to keep. Here + # we assume a distro maintainer has changed a variable, e.g., + # TEXMFMAIN=/usr/share/texmf, so keep it. (This also preserves the + # default values for OSFONTDIR and TRFONTS, but that's ok.) + # + # 3) anything else, which we want to convert to a constant /nonesuch. + # That way, the binaries don't get changed just because we change + # definitions in texmf.cnf. # # The definition of DEFAULT_TEXMF (and other variables) # that winds up in the final paths.h will not be used. - # Let's extract the identifier and the value from the line. Since + # Extract the identifier and the value from the line. Since # gawk's subexpression matching is an extension, do it with copies. ident = $0; sub(/^[ \t]*/, "", ident); @@ -38,6 +43,10 @@ # Replace all semicolons with colons in the SELFAUTO paths we're keeping. # (The path-splitting code should be changed to understand both.) gsub(/;/, ":", val); + } else if (val ~ /^\//) { + # If the value starts with /, presume we're compiling with changes + # made for a distro, and keep it. Likewise switch to :. + gsub(/;/, ":", val); } else { val = "/nonesuch"; } |