configure.ac: added warning to CXXFLAGS: -Wconversion

diff --git a/re2c/configure.ac b/re2c/configure.ac
index 7a5c3f3dfde0e47e172be65e04eac4862e668767..be8db2247c6b266e00abb98e618dd594f7082f1e 100644 (file)
--- a/re2c/configure.ac
+++ b/re2c/configure.ac
@@ -61,6 +61,7 @@ TRY_CXXFLAG([-pedantic])
 TRY_CXXFLAG([-Wformat=2])
 TRY_CXXFLAG([-Wredundant-decls])
 TRY_CXXFLAG([-Wsuggest-attribute=format])
+TRY_CXXFLAG([-Wconversion])
 TRY_CXXFLAG([-O2])
 TRY_CXXFLAG([-Weverything])