Mercurial > projects > ldc
changeset 873:a331ce9bc749
fix unnecessary revisions.h regeneration and mars.c recompilation
author | elrood |
---|---|
date | Mon, 05 Jan 2009 21:11:47 +0100 |
parents | aa953cc960b6 |
children | 2ddee23bd70e |
files | revisions.pl.in |
diffstat | 1 files changed, 10 insertions(+), 5 deletions(-) [+] |
line wrap: on
line diff
--- a/revisions.pl.in Sun Jan 04 15:49:28 2009 +0100 +++ b/revisions.pl.in Mon Jan 05 21:11:47 2009 +0100 @@ -6,7 +6,6 @@ use Time::localtime; my $llvm_src = `perl @LLVM_CONFIG@ --src-root`; -#my $llvm_src = "k:/sources/llvm"; my $llvm_rev = `svnversion $llvm_src`; @@ -21,9 +20,7 @@ my $ldc_rev = `hg -R@PROJECT_SOURCE_DIR@ tip --template {rev}`; -open my $revh, ">", "revisions.h" or die "cannot create revisions.h"; - -print $revh qq!#ifndef LDC_VERSIONS_H +my $out = qq!#ifndef LDC_VERSIONS_H #define LDC_VERSIONS_H $llvm_rev @@ -31,4 +28,12 @@ #endif // LDC_VERSIONS_H\n!; -close $revh; +my $revh; +my $old = ""; +open $revh, "revisions.h" and $old = join "", <$revh>; + +if ($old ne $out) { + open $revh, ">revisions.h" or die "cannot create revisions.h: $!"; + print $revh $out; + close $revh; +}