[svn-r26351] Adds warning prevention pragmas, etc. to flex- and bison-generated code.

Fixes: HDFFV-9149

Tested on: jam w/ gcc 4.1 and koala w/ gcc 4.9

3 files changed, 69 insertions, 0 deletions

diff --git a/bin/genltanalyze b/bin/genltanalyze
index 0b1b1e5..1f56cc1 100755
--- a/bin/genltanalyze
+++ b/bin/genltanalyze
@@ -60,6 +60,37 @@ flex --nounistd -PH5LTyy -oH5LTanalyze.c H5LTanalyze.l
 # H5LTparse.c.
 perl -0777 -pi -e 's/int\nyyparse/hid_t\nyyparse/igs' H5LTparse.c
 perl -0777 -pi -e 's/int H5LTyyparse/hid_t H5LTyyparse/igs' H5LTparse.c
+
+# Add code that disables warnings in the flex/bison-generated code.
+#
+# Note that the GCC pragmas did not exist until gcc 4.2. Earlier versions
+# will simply ignore them, but we want to avoid those warnings.
+for f in H5LTparse.c H5LTanalyze.c
+do
+    echo '#if __GNUC__ >= 4 && __GNUC_MINOR__ >=2                           ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wconversion"                     ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wimplicit-function-declaration"  ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wlarger-than="                   ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wmissing-prototypes"             ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wnested-externs"                 ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wold-style-definition"           ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wsign-compare"                   ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wsign-conversion"                ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wstrict-prototypes"              ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wswitch-default"                 ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wunused-function"                ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wunused-macros"                  ' >> tmp.out
+    echo '#pragma GCC diagnostic ignored "-Wunused-parameter"               ' >> tmp.out
+    echo '#elif defined __SUNPRO_CC                                         ' >> tmp.out
+    echo '#pragma disable_warn                                              ' >> tmp.out
+    echo '#elif defined _MSC_VER                                            ' >> tmp.out
+    echo '#pragma warning(push, 1)                                          ' >> tmp.out
+    echo '#endif                                                            ' >> tmp.out
+
+    cat $f >> tmp.out
+    mv tmp.out $f
+done
+
 cd ../..
 
 exit 0
diff --git a/hl/src/H5LTanalyze.c b/hl/src/H5LTanalyze.c
index d9ffb36..54e443d 100644
--- a/hl/src/H5LTanalyze.c
+++ b/hl/src/H5LTanalyze.c
@@ -1,3 +1,22 @@
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >=2                           
+#pragma GCC diagnostic ignored "-Wconversion"                     
+#pragma GCC diagnostic ignored "-Wimplicit-function-declaration"  
+#pragma GCC diagnostic ignored "-Wlarger-than="                   
+#pragma GCC diagnostic ignored "-Wmissing-prototypes"             
+#pragma GCC diagnostic ignored "-Wnested-externs"                 
+#pragma GCC diagnostic ignored "-Wold-style-definition"           
+#pragma GCC diagnostic ignored "-Wsign-compare"                   
+#pragma GCC diagnostic ignored "-Wsign-conversion"                
+#pragma GCC diagnostic ignored "-Wstrict-prototypes"              
+#pragma GCC diagnostic ignored "-Wswitch-default"                 
+#pragma GCC diagnostic ignored "-Wunused-function"                
+#pragma GCC diagnostic ignored "-Wunused-macros"                  
+#pragma GCC diagnostic ignored "-Wunused-parameter"               
+#elif defined __SUNPRO_CC                                         
+#pragma disable_warn                                              
+#elif defined _MSC_VER                                            
+#pragma warning(push, 1)                                          
+#endif                                                            
 #line 2 "H5LTanalyze.c"
 
 #line 4 "H5LTanalyze.c"
diff --git a/hl/src/H5LTparse.c b/hl/src/H5LTparse.c
index aa12185..6ca95c54 100644
--- a/hl/src/H5LTparse.c
+++ b/hl/src/H5LTparse.c
@@ -1,3 +1,22 @@
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >=2                           
+#pragma GCC diagnostic ignored "-Wconversion"                     
+#pragma GCC diagnostic ignored "-Wimplicit-function-declaration"  
+#pragma GCC diagnostic ignored "-Wlarger-than="                   
+#pragma GCC diagnostic ignored "-Wmissing-prototypes"             
+#pragma GCC diagnostic ignored "-Wnested-externs"                 
+#pragma GCC diagnostic ignored "-Wold-style-definition"           
+#pragma GCC diagnostic ignored "-Wsign-compare"                   
+#pragma GCC diagnostic ignored "-Wsign-conversion"                
+#pragma GCC diagnostic ignored "-Wstrict-prototypes"              
+#pragma GCC diagnostic ignored "-Wswitch-default"                 
+#pragma GCC diagnostic ignored "-Wunused-function"                
+#pragma GCC diagnostic ignored "-Wunused-macros"                  
+#pragma GCC diagnostic ignored "-Wunused-parameter"               
+#elif defined __SUNPRO_CC                                         
+#pragma disable_warn                                              
+#elif defined _MSC_VER                                            
+#pragma warning(push, 1)                                          
+#endif                                                            
 /* A Bison parser, made by GNU Bison 2.7.  */
 
 /* Bison implementation for Yacc-like parsers in C