With GCC 4.3, I get warnings from every flex scanner that 'input' is defined but not used. This can be solved by adding %option noinput. I tested this option with a current flex and with the old 2.5.4a; both accept it. See attached patch. Does anyone see problems with this?
diff --git a/src/backend/bootstrap/bootscanner.l b/src/backend/bootstrap/bootscanner.l index 89772f8..f82e0e9 100644 --- a/src/backend/bootstrap/bootscanner.l +++ b/src/backend/bootstrap/bootscanner.l @@ -52,6 +52,7 @@ static int yyline = 1; /* line number for error reporting */ %option 8bit %option never-interactive %option nodefault +%option noinput %option nounput %option noyywrap %option prefix="boot_yy" diff --git a/src/backend/parser/scan.l b/src/backend/parser/scan.l index 99f8546..012b120 100644 --- a/src/backend/parser/scan.l +++ b/src/backend/parser/scan.l @@ -101,6 +101,7 @@ static unsigned char unescape_single_char(unsigned char c); %option 8bit %option never-interactive %option nodefault +%option noinput %option nounput %option noyywrap %option prefix="base_yy" diff --git a/src/backend/utils/misc/guc-file.l b/src/backend/utils/misc/guc-file.l index 3a4b63b..706da59 100644 --- a/src/backend/utils/misc/guc-file.l +++ b/src/backend/utils/misc/guc-file.l @@ -59,6 +59,7 @@ static char *GUC_scanstr(const char *s); %option 8bit %option never-interactive %option nodefault +%option noinput %option nounput %option noyywrap %option prefix="GUC_yy" diff --git a/src/bin/psql/psqlscan.l b/src/bin/psql/psqlscan.l index 02c7f40..965c41b 100644 --- a/src/bin/psql/psqlscan.l +++ b/src/bin/psql/psqlscan.l @@ -125,6 +125,7 @@ static void emit(const char *txt, int len); %option 8bit %option never-interactive %option nodefault +%option noinput %option nounput %option noyywrap diff --git a/src/interfaces/ecpg/preproc/pgc.l b/src/interfaces/ecpg/preproc/pgc.l index bd0a7d2..9b6feb7 100644 --- a/src/interfaces/ecpg/preproc/pgc.l +++ b/src/interfaces/ecpg/preproc/pgc.l @@ -76,6 +76,7 @@ static struct _if_value %option 8bit %option never-interactive %option nodefault +%option noinput %option noyywrap %option yylineno diff --git a/src/pl/plpgsql/src/scan.l b/src/pl/plpgsql/src/scan.l index 0ec8d53..fb9ef4b 100644 --- a/src/pl/plpgsql/src/scan.l +++ b/src/pl/plpgsql/src/scan.l @@ -47,6 +47,7 @@ bool plpgsql_SpaceScanned = false; %option 8bit %option never-interactive %option nodefault +%option noinput %option nounput %option noyywrap %option prefix="plpgsql_base_yy"
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