Error: Missing libgcc_s_dw2-1.dll in MINGW32 Environment

[resistance-shimako]

An Issue That Occurred

Error libgcc_s_dw2-1.dll missing in a program that dynamically links and executes the built libserialport-0.dll

PC Environment

• Build Environment: MSYS2 MINGW32 on Windows 10 Home 64Bit 22H2
• MSYS2 Version: msys2-x86_64-20240727
• Note: This issue does not occur in programs built in the MSYS2 MINGW64 environment. It only occurs in programs built in the MSYS2 MINGW32 environment.

Solution

Rewriting Makefile.am and giving the -static-libgcc option solved the problem.

Specifically, rewrite the following

@@ -27,6 +27,9 @@ AM_CFLAGS = -std=c99 -Wall -Wextra -pedantic -Wmissing-prototypes -Wshadow
 # Set flag used in libserialport.h to indicate we are building the library
 # using autotools.
 AM_CFLAGS += -DLIBSERIALPORT_ATBUILD
+if WIN32
+AM_CFLAGS += -static-libgcc
+endif