diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/Makefile.am | 3 | ||||
-rw-r--r-- | src/main.cc | 19 |
2 files changed, 21 insertions, 1 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 09da4c47..895a46d6 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -53,7 +53,8 @@ endif common_CFLAGS = \ -Wall \ -DINCLUDEDIR='"$(includedir)"' \ - -DLIBDIR='"$(libdir)"' + -DLIBDIR='"$(libdir)"' \ + -DABS_TOP_BUILDDIR='"$(abs_top_builddir)"' libprog_a_SOURCES = \ buffer.h bytecode.h colm.h debug.h dotgen.h fsmcodegen.h fsmgraph.h \ diff --git a/src/main.cc b/src/main.cc index 317f3bce..482fb4a4 100644 --- a/src/main.cc +++ b/src/main.cc @@ -683,11 +683,30 @@ bool readCheck( const char *fn ) return result; } +void defaultBuildDir() +{ + if ( buildDir != 0 ) + return; + + const char *ldlp = getenv("LD_LIBRARY_PATH"); + if ( ldlp != 0 ) { + size_t len_atbd = strlen(ABS_TOP_BUILDDIR); + + if ( strlen(ldlp) > len_atbd && + memcmp( ldlp, ABS_TOP_BUILDDIR "/", len_atbd+1) == 0 ) + { + buildDir = ABS_TOP_BUILDDIR; + } + } +} + /* Main, process args and call yyparse to start scanning input. */ int main(int argc, const char **argv) { processArgs( argc, argv ); + defaultBuildDir(); + if ( verbose ) gblActiveRealm = 0xffffffff; |