diff -ru lighttpd-1.4.76.orig/configure.ac lighttpd-1.4.76/configure.ac
--- lighttpd-1.4.76.orig/configure.ac	2024-04-11 07:30:19.000000000 +0200
+++ lighttpd-1.4.76/configure.ac	2024-04-18 12:53:43.846262167 +0200
@@ -61,7 +61,6 @@
 
 dnl Checks for programs.
 AC_PROG_CC
-AC_PROG_CC_C99
 AX_PROG_CC_FOR_BUILD
 LT_PATH_LD
 AC_PROG_INSTALL
diff -ru lighttpd-1.4.76.orig/src/Makefile.am lighttpd-1.4.76/src/Makefile.am
--- lighttpd-1.4.76.orig/src/Makefile.am	2024-04-11 07:30:19.000000000 +0200
+++ lighttpd-1.4.76/src/Makefile.am	2024-04-18 12:45:07.642508927 +0200
@@ -107,7 +107,7 @@
 lib_LTLIBRARIES += liblightcomp.la
 liblightcomp_la_SOURCES=$(common_src)
 liblightcomp_la_CFLAGS=$(AM_CFLAGS) $(LIBEV_CFLAGS)
-liblightcomp_la_LDFLAGS = $(common_ldflags) --export-all-symbols
+liblightcomp_la_LDFLAGS = $(common_ldflags)
 liblightcomp_la_LIBADD = $(PCRE_LIB) $(CRYPTO_LIB) $(FAM_LIBS) $(LIBEV_LIBS) $(ATTR_LIB) $(WS2_32_LIB)
 common_libadd = liblightcomp.la
 if !LIGHTTPD_STATIC