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-rw-r--r--Source/cmakemain.cxx14
1 files changed, 13 insertions, 1 deletions
diff --git a/Source/cmakemain.cxx b/Source/cmakemain.cxx
index a06b26f..c60b962 100644
--- a/Source/cmakemain.cxx
+++ b/Source/cmakemain.cxx
@@ -60,6 +60,7 @@ static const char * cmDocumentationUsageNote[][2] =
#define CMAKE_BUILD_OPTIONS \
" <dir> = Project binary directory to be built.\n" \
" --target <tgt> = Build <tgt> instead of default targets.\n" \
+ " May only be specified once.\n" \
" --config <cfg> = For multi-configuration tools, choose <cfg>.\n" \
" --clean-first = Build target 'clean' first, then build.\n" \
" (To clean only, use --target 'clean'.)\n" \
@@ -386,6 +387,7 @@ static int do_build(int ac, char const* const* av)
std::string dir;
std::vector<std::string> nativeOptions;
bool clean = false;
+ bool hasTarget = false;
enum Doing { DoingNone, DoingDir, DoingTarget, DoingConfig, DoingNative};
Doing doing = DoingDir;
@@ -397,7 +399,17 @@ static int do_build(int ac, char const* const* av)
}
else if(strcmp(av[i], "--target") == 0)
{
- doing = DoingTarget;
+ if (!hasTarget)
+ {
+ doing = DoingTarget;
+ hasTarget = true;
+ }
+ else
+ {
+ std::cerr << "'--target' may not be specified more than once.\n\n";
+ dir = "";
+ break;
+ }
}
else if(strcmp(av[i], "--config") == 0)
{